Reeves fights for her credibility as investors brace for leadership battle

Core Viewpoint - The upcoming Budget by Chancellor Rachel Reeves is characterized as a "smorgasbord" of smaller tax increases rather than a significant overhaul, following the decision to avoid raising income tax rates, which is seen as politically risky [1][2] Group 1: Economic Context - Britain's 10-year borrowing costs are currently over 4.5%, the highest in the G7, surpassing the rates paid by the US and significantly higher than those of Italy and France [3] - The recent about-turn on income tax by Reeves led to a bond sell-off, increasing yields by up to 0.15 percentage points, which added billions to government debt almost instantly [3] - A one percentage point rise in interest rates is estimated to increase the Government's annual debt interest costs by £17 billion, equivalent to half the annual Home Office budget [4] Group 2: Market Reactions - Investors are likely to focus more on the political reactions and leadership dynamics following the Budget announcement rather than the Budget's contents themselves [5][6] - There is a concern that if the Budget is favorable for the market, it may not align with the interests of the Labour Party's backbenchers, creating a potential conflict [7] - Traders have expressed caution due to previous shifts in Labour's policies, particularly regarding welfare and winter fuel payments, leading to skepticism about future promises [7]