The World Economy: The impact of rising oil prices and weak equity markets on global growth

In interesting times several things may happen simultaneously, and they may have connected roots. The financial turmoil that developed initially in the US banking sector had its roots in financial innovation that had made available cheap finance and increased demand for housing. This wave of low cost finance had spread to Europe, and house prices rose in a correlated way. The increase in demand in the world economy that resulted from strong growth in lending and high asset values helped raise output growth outside the OECD, and this in turn put upward pressure on oil prices. Markets sometimes work slowly, and the effects of the increase in demand on prices appear to be coming through just as the asset bubble is collapsing. The sequence of events was not inevitable, as low personal sector saving in the US and the UK as well as elsewhere could have been offset by tighter fiscal policy, and better prudential regulation of lenders would also definitely have helped. The desire to move financial regulation from the central bank, as in the UK, may have been for good, competition based, reasons, but it has meant that financial sector oversight has not taken account of the macroeconomic implications of a wave of lending that rested on risky financial innovation and therefore it has not properly addressed the issue of systemic risk (see Barrell and Davis, 2005). The resulting financial turmoil has meant that banks have made losses, and have been unable to trust each other's solvency when making deals. As a result three month interbank rates have risen well above central bank intervention rates, as can be seen in figure 1.