当前全球市场最棘手的10个问题，这是来自瑞银的回答

Group 1 - UBS's latest report addresses ten global economic concerns, including tariff impacts and dollar depreciation, highlighting the complexity of current global economic challenges [1][2] - The report indicates that U.S. tariffs equate to a tax of approximately 1.5% of GDP on importers, with annual tariff revenues exceeding $300 billion [2][5] - Global growth tracking shows a mere 1.3% annualized growth rate, placing it in the 8th percentile historically [5][6] Group 2 - UBS maintains a cyclical bearish view on the dollar but does not foresee a long-term depreciation trend [9][10] - The report suggests that the current dollar sell-off is driven by increased hedging demand, a cyclical slowdown in the U.S. economy, and improving growth trends in other regions [10][11] Group 3 - Tariffs have a delayed impact on inflation, with UBS estimating a 1.1% increase in PCE prices due to tariffs, which has yet to be reflected in official CPI data [11][13] - The report anticipates that the significant effects of tariffs on major inflation indicators will become evident in the July CPI data [14][19] Group 4 - UBS expresses concerns about the long-term supply of U.S. Treasuries, with a potential bottom for the 10-year yield at 2.75% [25] - Evidence of foreign investors reducing exposure to U.S. assets is noted, with net sales of $50.6 billion in U.S. long-term securities in April [26][29] Group 5 - The report highlights that European equities present a valuation advantage over U.S. stocks, with adjusted P/E ratios for European stocks being 25% lower than those in the U.S. [36] - UBS expects the "Big Beautiful Plan" to contribute approximately 45 basis points to U.S. growth before fiscal drag becomes apparent [40][43] Group 6 - Central banks are shifting towards more accommodative policies in response to tariff impacts, with developed market rates declining by an average of 30 basis points since April [44] - China is expected to implement additional fiscal stimulus measures, with a projected increase in the fiscal deficit to 1.5-2% of GDP [49][52]