The target zone model of Krugman (1991) has failed empirically. In this paper, we develop a model of the exchange rate with heterogeneous agents in a free floating and a target zone regime. We show that this simple model mimics the empirical puzzles of exchange rates: excessive volatility, fat...

This working paper was written by Cho-Hoi Hui (Hong Kong Monetary Authority), Andrew Wong(Hong Kong Monetary Authority) and Chi-Fai Lo (The Chinese University of Hong Kong).This note uses a target-zone model to study the bond yield movements under yield curve control. The bond yield is assumed...

This paper extends the single-asset target-zone model pioneered by Krugman (1991) to include both bonds and equities. The new model provides a convenient framework for investigating a ‘puzzle' recently noted in Hong Kong. While the economy has experienced persistently lower interest rates...