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CardSim:支付卡欺诈检测研究的贝叶斯模拟器(英)2025
美联储· 2025-03-11 07:10
Investment Rating - The report does not provide a specific investment rating for the industry. Core Insights - Payment card fraud has significantly increased in recent years, with 11.5% of credit card owners and 9.4% of debit card owners experiencing fraud in 2023, more than double the rates before the COVID-19 pandemic [7] - The report introduces CardSim, a Bayesian simulator designed to generate synthetic payment card transaction data for fraud detection research, addressing the lack of publicly available transaction data [4][12] - The simulator is modular and can be easily updated to reflect new payment trends and fraud patterns, facilitating the testing of machine learning models for fraud detection [4][12] Summary by Sections Introduction - Payment card fraud is a major concern, with significant growth observed since the COVID-19 pandemic, as evidenced by increased fraud reports and survey data [7] - The development of generative AI tools poses both risks and opportunities for fraud detection and prevention [7] Related Work - The lack of publicly available payment transaction data hampers research in fraud detection, leading to the development of simulation methodologies to fill this gap [10][11] - Existing simulators have limitations, and there is a need for more sophisticated methods that reflect the dynamics of fraud in payment systems [11][19] Simulation Methodology - The simulator generates synthetic transaction data and fraud patterns for consumer-to-business non-prepaid debit and credit card payments [23] - It operates in three phases: developing payer and payee characteristics, running the transaction simulator, and generating fraud labels using Bayes' theorem [23][44] Results - An example dataset produced by the simulator included 3.16 million records, with a fraud ranking threshold set at one percent, which is higher than many industry estimates [61] - The distributions of card and location types across payment classes were consistent with marginal probabilities, while fraudulent transactions skewed towards features with higher conditional probabilities [62][63]
2025美国纽约联储的报告
美联储· 2025-02-19 02:00
Investment Rating - The report does not explicitly provide an investment rating for the household debt and credit industry Core Insights - Aggregate nominal household debt balances increased by $93 billion in Q4 2024, a 0.5% rise from Q3 2024, totaling $18.04 trillion, which is an increase of $3.9 trillion since the end of 2019 [2][3] - Mortgage balances grew by $11 billion to $12.61 trillion, while credit card balances increased by $45 billion to $1.21 trillion, reflecting a 7.3% rise year-over-year [3][4] - The volume of mortgage originations was $465 billion in Q4 2024, with credit card limits increasing by $98 billion [4][10] Summary by Sections Balances - Mortgage balances increased by $11 billion, totaling $12.61 trillion - Home equity lines of credit (HELOC) rose by $9 billion, totaling $396 billion - Credit card balances grew by $45 billion to $1.21 trillion, a 7.3% increase from the previous year - Auto loan balances rose by $11 billion to $1.66 trillion, while student loan balances increased by $9 billion to $1.62 trillion [3] Originations - Mortgage originations totaled $465 billion in Q4 2024, with a slight increase in credit card limits by $98 billion [4][10] Credit Quality - Credit quality of newly originated loans was mixed, with credit scores for auto loans and mortgages mostly steady, although there was a slight deterioration in mortgage credit scores [5] Delinquency & Public Records - Aggregate delinquency rates increased slightly to 3.6% in Q4 2024, up from 3.5% in Q3 2024 - Transition into early delinquency remained stable for most debt types, except for credit cards, which saw a small uptick [6][10] - Approximately 123,000 consumers had a bankruptcy notation added to their credit reports in Q4 2024, a slight decline from the previous quarter [7][10]
预测大学关闭和财务困境(英)
美联储· 2025-01-26 03:00
Investment Rating - The report does not explicitly provide an investment rating for the higher education sector Core Insights - The higher education sector is facing significant financial challenges, including declining enrollment and rising operational costs, which may lead to increased college closures in the future [7][13][19] - A comprehensive dataset from 2002 to 2023 was utilized to develop predictive models for financial distress in colleges, demonstrating that modern machine learning techniques significantly outperform traditional models in predicting closures [4][18] - The demographic cliff, characterized by a decline in the number of high school graduates, is expected to exacerbate enrollment challenges and increase the likelihood of college closures [9][18] Summary by Sections I. Introduction - The financial distress in higher education can have profound effects on local economies and communities, making the prediction of college closures increasingly important [7] - Enrollment in degree-granting institutions fell by 15% from 2010 to 2021, with a notable decline during the pandemic [8] II. Postsecondary Education Landscape and Fiscal Challenges - Financial distress has historically impacted American postsecondary education, with many institutions managing to survive despite challenges [20] - Factors associated with college closures include lower faculty salaries, smaller endowments, and higher instructional spending [22] III. Data Sources - The report utilizes data from the Integrated Postsecondary Education Data System (IPEDS) and the College Scorecard to analyze institutional characteristics and financial metrics [63][66] - Key variables include enrollment trends, revenue sources, and financial health indicators, which are critical for predicting financial distress [66][71] IV. Revenue and Expenditure Patterns - The American higher education system generates approximately $700 billion in expenditures and enrolls nearly 25 million students [29] - Public institutions rely heavily on state appropriations, while private institutions depend more on tuition and endowment income [42][51] - Operating costs have increased faster than inflation, driven by rising health insurance and administrative expenses [54] V. Predictive Models and Findings - The report highlights the effectiveness of machine learning models in predicting college closures, with a significant improvement in accuracy compared to traditional models [4][18] - Simulations indicate that future closures may rise due to demographic shifts and ongoing financial pressures [18]
Minutes of the Federal Open Market Committee September 17–18, 2024
美联储· 2024-10-09 18:00
Financial Data and Key Indicators Changes - The nominal Treasury yields declined notably, primarily due to weaker-than-expected data releases and policy communications suggesting a reduction in policy restraint [1][3] - The market-implied policy rate path shifted down materially, with expectations of about 100 basis points of cuts through year-end, compared to around 50 basis points previously [3][5] - Consumer price inflation was reported at 2.5% in July, with core PCE inflation at 2.6%, indicating a decrease from earlier rates [11][12] Business Line Data and Key Indicators Changes - Real private domestic final purchases (PDFP) showed stronger growth than GDP, indicating solid underlying economic momentum [13] - Job gains moderated, with average monthly nonfarm payroll gains lower than the previous quarter, and the unemployment rate edged up to 4.2% [12][26] Market Data and Key Indicators Changes - Broad equity prices finished modestly higher, despite a brief episode of elevated market volatility in early August [1][2] - The trade-weighted U.S. dollar index declined modestly as market-implied expectations for year-end policy rates fell for most central banks [6][20] Company Strategy and Development Direction and Industry Competition - The Federal Reserve's strategy includes a commitment to support maximum employment while returning inflation to the 2% objective, reflecting a cautious approach to monetary policy adjustments [42][48] - Participants noted that the economic outlook remains uncertain, with attention to risks on both sides of the dual mandate [42][48] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence that inflation is moving sustainably toward 2%, while acknowledging that economic activity continues to expand at a solid pace [38][42] - Risks to achieving employment and inflation goals were assessed as roughly balanced, with a focus on monitoring labor market conditions closely [37][41] Other Important Information - The Committee unanimously voted to lower the target range for the federal funds rate to 4¾ to 5%, reflecting cumulative developments related to inflation and the balance of risks [43][49] - The next meeting of the Committee is scheduled for November 6-7, 2024, indicating ongoing monitoring of economic conditions [54] Q&A Session All Questions and Answers Question: What is the outlook for inflation? - Almost all participants expressed greater confidence that inflation is moving sustainably toward 2%, citing various factors likely to exert downward pressure on inflation [32][31] Question: How are labor market conditions evolving? - Participants noted that labor market conditions have eased further, with job gains slowing and the unemployment rate rising, but overall conditions remain solid [33][34]
通货膨胀加速器(英)
美联储· 2024-09-30 02:30
Investment Rating - The report does not explicitly provide an investment rating for the industry. Core Insights - The report develops a sticky price model that shows the fraction of price changes increases with inflation, creating a feedback loop termed the "inflation accelerator" which steepens the Phillips curve during high inflation periods [4][9][12] - The model predicts that the slope of the Phillips curve varies significantly over time, ranging from 0.02 in the 1990s to 0.12 in the 1970s and 1980s, indicating that reducing inflation is less costly when inflation is high [9][12] - The findings suggest that the frequency of price changes is higher during periods of high inflation, which has implications for monetary policy and output stabilization [9][12] Summary by Sections Introduction - The report addresses the dynamics of inflation and the Phillips curve, emphasizing the importance of understanding the causes of high inflation [6][9] Model - The model allows the frequency of price changes to fluctuate endogenously, contrasting with the standard Calvo model [13][34] - It incorporates a feedback mechanism where an increase in inflation leads to a higher fraction of price changes, further driving inflation [9][10] Parameterization - The model is calibrated using U.S. CPI data from 1962 to 2023, with key parameters reflecting the average inflation rate and the frequency of price changes [40][44] - The average inflation rate is found to be 3.5%, with a standard deviation of 2.7% and an average quarterly fraction of price changes at 29.7% [44] Steady State Analysis - The steady-state analysis shows that the fraction of price changes increases with trend inflation, from 24% at zero inflation to 41% at 10% annual inflation [50][52] Real Effects of Monetary Shocks - The report examines how the economy responds to monetary shocks under different inflation environments, highlighting that the real effects are smaller in high inflation contexts due to a higher steady-state frequency of price changes [55]
菜单成本经济中的非线性动力学?来自美国数据的证据(英)
美联储· 2024-09-30 02:20
Investment Rating - The report does not provide a specific investment rating for the industry analyzed Core Insights - Standard menu cost models struggle to simultaneously account for the dispersion in micro-price changes and the increase in the fraction of price changes during inflationary periods in the U.S. [4][10] - The Golosov and Lucas (2007) model predicts significant increases in the fraction of price changes during high inflation but fails to capture the dispersion in price changes, leading to minimal monetary non-neutrality [6][40] - Alternative models that better replicate the dispersion in price changes, such as the Calvo-plus specifications, predict a nearly constant fraction of price changes, resulting in linear output dynamics [8][34] Summary by Sections Introduction - The report evaluates the ability of menu cost models to reproduce the relationship between inflation and the fraction of price changes in the U.S. [5] - It highlights the implications for the Phillips curve and monetary policy trade-offs [5] Motivating Evidence - The fraction of price changes has been observed to increase during high inflation periods, with historical data showing a rise from approximately 10% in the 1990s to 23% post-COVID [12][13] Model - The report considers three specifications of price adjustment technology: fixed menu cost, Calvo-plus, and a uniform distribution of menu costs [14][20] - Each model's ability to reproduce the comovement between inflation and price changes is assessed [14] Nonlinear Dynamics - The report investigates the nonlinear responses of the models to monetary shocks, concluding that none can fully replicate the observed data [34][36] - The Golosov and Lucas model predicts significant nonlinearities but fails to match the dispersion in price changes, while other models predict larger real effects but with linear dynamics [36][40] Conclusions - The report emphasizes the challenge for menu cost models to simultaneously account for both the micro-price data and the relationship between inflation and the fraction of price changes [39][40]
社会保障与高频劳动力供给:来自优步司机的证据(英)
美联储· 2024-09-30 02:15
Investment Rating - The report does not provide a specific investment rating for the industry or company analyzed. Core Insights - The study estimates that the labor supply of older Uber drivers declines by an average of 2% during the week of Social Security benefit receipt, with a small group reducing labor supply by more than 40% [4][9][10] - The findings suggest that while most drivers do not significantly adjust their labor supply in response to Social Security benefits, a small percentage exhibit substantial changes, indicating deviations from standard labor supply models [10][11][12] - The research highlights the interaction between Social Security benefits and gig work, emphasizing the importance of understanding how predictable transfers affect labor supply decisions among older adults [6][16][17] Summary by Sections Introduction - The paper investigates how the receipt of Social Security retirement benefits influences the labor supply decisions of Uber drivers, particularly focusing on older adults who may rely on gig work for income [6][17] - It addresses the lack of understanding regarding the interaction between Social Security and gig work, especially in the context of flexible labor supply [6][16] Background - Social Security benefits are predictable and economically significant, covering over 93% of workers and providing the majority of retirement income for individuals aged 65 and older [19][20] - The study uses a unique identification strategy based on the staggered timing of Social Security payments to analyze labor supply adjustments among Uber drivers [7][21] Data - The analysis utilizes proprietary data from Uber, focusing on two samples: Retirement Age drivers (aged 62 and older) and Working Age drivers (aged 58 to 61) [25][30] - The Retirement Age sample includes 49,515 drivers, while the Working Age sample consists of 41,446 drivers, allowing for comparisons in labor supply behavior [25][30] Research Design - The study employs a paired-event-study framework to estimate the causal effects of Social Security benefits on labor supply, addressing challenges related to staggered treatment and the absence of a natural control group [48][49] - The analysis distinguishes between pre-treatment anticipation effects and post-treatment responses, allowing for a clearer understanding of labor supply dynamics around benefit receipt [50][51] Results - The results indicate that older Uber drivers reduce their labor supply by 2% to 5% during the week of benefit receipt, with significant variations in individual responses [9][10][36] - The findings reveal that the majority of drivers do not adjust their labor supply meaningfully, while a small group significantly reduces hours worked, suggesting the presence of nonstandard preferences among this subset [10][11][12]
The Beige Book—— Summary of Commentary on Current Economic Conditions by Federal Reserve District August 2024
美联储· 2024-09-03 16:00
Economic Activity - Economic activity grew slightly in three Districts, while nine Districts reported flat or declining activity, up from five in the previous period[8] - Consumer spending declined in most Districts, with auto sales varying significantly due to high interest rates and vehicle prices[8] - Manufacturing activity declined in most Districts, with two Districts noting ongoing contractions in the sector[8] Labor Markets - Employment levels were generally flat, with five Districts reporting slight increases, while some firms reduced hours or left positions unfilled[9] - Wage growth was modest, with skilled tradespeople seeing stronger increases due to continued shortages[9] - Competition for workers eased, leading to longer job search times for candidates[9] Prices and Costs - Prices increased modestly, with three Districts reporting only slight increases in selling prices[10] - Nonlabor input costs rose modestly, with some Districts noting moderation in cost pressures for food and construction materials[10] - Contacts generally expected price and cost pressures to stabilize or ease further in the coming months[10] Regional Highlights - Boston reported mixed economic activity, with strong single-family home sales but softer retail and restaurant sales[11] - New York's economic activity remained flat, with stable consumer spending and solid housing markets[12] - Philadelphia experienced a slight decline in business activity, with modest wage growth and flat nonmanufacturing activity[13]
Review and Outlook
美联储· 2024-08-23 15:00
Economic Overview - The worst economic distortions from the COVID-19 pandemic are fading, with inflation significantly declining and the labor market cooling[1] - Inflation has risen 2.5% over the past 12 months, moving closer to the Federal Reserve's 2% target[3] - The unemployment rate is currently at 4.3%, nearly a full percentage point above early 2023 levels[4] Labor Market Dynamics - Job gains averaged 170,000 per month over the three months ending in July 2024, indicating solid but slowing employment growth[7] - The ratio of job vacancies to unemployment has returned to pre-pandemic levels, suggesting a normalization of labor market conditions[5] - Nominal wage gains have moderated, and the labor market is less tight than in 2019 when inflation was below 2%[5] Inflation Trends - Inflation peaked at 7.1% in June 2022, driven by supply chain disruptions and increased demand for goods[17] - The decline in inflation by 4.5 percentage points from its peak occurred alongside low unemployment, a historically unusual outcome[18] - The Federal Reserve raised its policy rate by 425 basis points in 2022 and an additional 100 basis points in 2023 to combat inflation[17] Policy Outlook - The Federal Reserve is prepared to adjust monetary policy in response to evolving economic data and risks to both inflation and employment[6] - Anchored inflation expectations, supported by strong central bank actions, can facilitate disinflation without requiring economic slack[20] - The current policy rate provides ample room to respond to potential risks, including further weakening in labor market conditions[8]
Minutes of the Federal Open Market Committee July 30–31, 2024
美联储· 2024-08-21 12:00
Financial Market Developments - Financial conditions eased modestly, with lower long-term interest rates and higher equity prices, providing neither a headwind nor tailwind to growth[1] - Nominal Treasury yields declined, with shorter-term yields decreasing more than longer-term yields, leading to a steepening of the yield curve[2] - The effective federal funds rate remained unchanged at 5¼ to 5½ percent, while repo rates edged higher due to increased demand for financing Treasury securities[5] Economic Indicators - U.S. economic activity advanced solidly but at a slower pace than in the second half of 2023, with GDP growth noticeably slower than the average pace in 2023[7][9] - Consumer price inflation was 2.5 percent in June, with core PCE inflation at 2.6 percent, indicating inflation remains somewhat elevated[7] - The unemployment rate rose to 4.1 percent in June, with job gains moderating and labor market conditions easing[8][25] Policy Outlook - Market expectations indicate a first rate cut at the September FOMC meeting, with at least one more cut later in the year and further easing next year[2] - Participants noted that inflation had eased but remained above the 2 percent target, with recent data suggesting progress toward this objective[33][39] - The Committee agreed to maintain the target range for the federal funds rate at 5¼ to 5½ percent, emphasizing the need for greater confidence in sustainable inflation reduction before any rate cuts[37][43]