The notion of new economy was coined in the United States when there was increasing evidence that, as a result of the introduction of new technologies, the traditional behavior of macroeconomic variables might have changed. The expansion of the 1990s differed from its predecessors in three...

This thesis comprises three self-contained chapters that each contributes new insights to this field of empirical macroeconomics. Chapter 1 examines the role of shocks to consumer misperceptions in explaining macroeconomic fluctuations. This chapter employs a Bayesian estimation of a New...