IS-LM is perhaps the prime example of `cognitive dissonance' in economics, and is problematic to many economists. On the one hand, the IS-LM model is still taught by many academic economists or they use it to derive the AD-AS approach. On the other hand, the same economists realize the...

We test the hypothesis associated with a standard assumption in the theoretical literature on learning: that economic agents interpret information identically. We use a data set based on a survey of Israeli business executives forecasting future inflation. One of the main advantages of using...

The effect of inflation on its unpredictability is theoretically ambiguous. Arthur M. Okun (1971) and Milton Friedman (1977) suggest that the effect is positive. However, a negative effect may exist if higher inflation induces the relevant economic agents to invest more in generating accurate...