In this study, we address a major problem in the measurement of firm performance and the regulation of natural monopolies, namely the intertemporal character of long-term investment decisions. In specific, we focus on the impact of adjustment costs of investments on estimates of firms’...

We discuss the nonparametric approach to profit efficiency analysis at the firm and industry levels in the absence of complete price information, and propose two new insights. First, choosing one commodity (whose price is known) as a numeraire good enables us to measure profit inefficiency in...

In empirical economic analysis efficiency measurement traditionally at the macro and micro level is based on a production model using profit maximization or cost minimization for a single representative entrepreneur as its foundation. Common indicators are ratios of an output-indicator and...