We examine how daily retail prices of gasoline stations in Seoul Korea responded to changes in costs from 2009 to 2019. During the sample period we find a substantial shift in the composition of Seoul gas stations and in the pattern of pass-through of wholesale price increase and decrease. In...

In this paper we argue that an oil price change is likely to have greater impact on real GNP in an environment where oil prices have been stable, than in an environment where oil price movement has been frequent and erratic. An oil price shock variable reflecting both the unanticipated component...

In GMM estimations, when data exhibit exponential trends, scaling factors are often used to restore stationarity in Euler equation residuals. The present paper demonstrates that finite-sample estimates are sensitive to the scaling factors, and seemingly plausible scaling factors may produce...

A sudden change in investment environment shifts objective uncertainty (characterized by parameters that determine the distribution of returns) and at the same time heightens subjective uncertainty (about the data generating parameters) unevenly across investors. For a given state of economy,...