We present evidence on one facet of energy security in OECD economies - the extent of diversification in sources of oil and natural gas supplies. Viewed from the perspective of the energy-importing countries as a whole, there has not been much change in diversification in oil supplies over the...

We separate changes of the federal funds rate into two components; one reflects the Fed’s superior forecasts about the state of the economy and the other component reflects the Fed’s reaction to the public’s forecast about the state of the economy. Romer and Romer (2000) found that the Fed...