In this paper, we propose that information technology (IT) managers make investment decisions about new IT initiatives based on a modified rational expectation model. Unlike traditional rational expectation models, we emphasize the relevance of market uncertainty and its impact on the return of...

One empirical argument that has been around for some time and that clearly contra- dicts equity market efficiency is that market prices seem too volatile to be optimal estimates of the present value of future discounted cash flows. Based on this, it is deduced that systematic pricing errors...

This paper presents first the estimation of a two-country DSGE model for the euro area and the rest-of-the-world including relevant oil-price channels. We then investigate the optimal resolution of the policy tradeoffs emanating from oil-price disturbances. Our simulations show that the...