In this paper we look at some empiricel evidence of and theoretical rationale for price inflexibility in the face of a decrease in short run demand in the Western-type industrialized economies. The empirical evidence suggests that price sluggishness is pervasive but varies across markets,...

In this paper we analyze the evidence from a large number of studies on three specific questions pertaining to R&D investment: (1) Are there diminishing returns to inventive activities? (2) What is the relationship between R&D and productivity and what are the magnitudes of the returns to a...