Rational Expectations and Distributed Lag Expectations Proxies
理性预期与分布滞后预期代理
exogenous variables which actually generate the variable to be predicted. Empirical researchers, however, have employed a modified (and weaker) form of Muth's hypothesis. Expectations are defined as rational if they fully incorporate all of the information contained in a specified information set that is available at the time that the forecast is made.3 When using distributed lag proxies, researchers implicitly assume that the information set used to generate forecasts…