In a collaborative project with ten central banks, we have investigated the causes of the post-pandemic global inflation, building on our earlier work for the United States. Globally, as in the United States, pandemic-era inflation was due primarily to supply disruptions and sharp increases in...

This paper studies the transmission channels of monetary and macroprudential policies in an open economy framework and evaluates the normative implications for international spillovers and global welfare. An analytical decomposition uncovers the prominent role of expenditure switching for...

The 'International Policy Trilemma' refers to the constraint on independent monetary policy that is forced on a country which remains open to international financial markets and simultaneously pursues an exchange rate target. This paper shows that, in a global economy with open financial...

We estimate a forward-looking monetary policy reaction function for the postwar US economy, pre- and post-October 1979. Our results point to substantial differences in the estimated rule across periods. In particular, interest rate policy in the Volcker-Greenspan period appears to have been much...

This paper surveys the decline in real interest rates in advanced and emerging economies over the past several decades, linking that process to a range of global factors that have operated with different force in different periods. The paper argues that estimates of long-run equilibrium real...

The paper tests three hypotheses concerning foreign equity investment in the presence of liquidity risk. First, the FDI-to-FPI price differential is negatively related to liquidity risk (the "Price Discount Hypothesis"). The idea is that market participants do not know whether the FDI investor...

Managers make different decisions in countries with poor protection of investor rights and poor financial development. One possible explanation is that shareholder-wealth maximizing managers face different tradeoffs in such countries (the tradeoff theory). Alternatively, firms in such countries...

Topics covered in this survey paper include the following: distinguishing rules from discretion in practice; the feasibility of rule-like behavior by an independent central bank; optimal control vs. robustness as research strategies; choice among target variables; growth-rate vs. growing-level...