Assortment decisions are key strategic instruments for firms responding to local market conditions. We assess this claim by studying the effect of a national merger between two large Dutch supermarket chains on prices and on the depth as well as composition of assortment. We adopt a...

A central challenge in estimating the causal effect of TV advertising on demand is isolating quasi-random variation in advertising. Political advertising, which topped $14 billion in expenditures in 2016, has been proposed as a plausible source of such variation and thus a candidate for an...

Consumer reviews may reflect not only perceived quality but also the difference between quality and price (perceived value). In markets where product prices change frequently, these price-influenced reviews may be biased as a signal of product quality when used by consumers possessing no...

The relationship between market share and profitability is perhaps the most-studied single phenomenon in business policy. The purpose of this study is an attempt to explore the impact of various factors (such as market share, concentration ratio) on profitability measurements of banks in...

Measuring economic uncertainty is challenging, but it is important for policymakers to address it, especially in countries for which there are virtually no uncertainty indices. This article proposes an index of economic uncertainty for Poland, EURQPL, based on Internet searches for specific...

Online product reviews may be subject to self-selection biases that impact consumer purchase behavior, online ratings' time series, and consumer surplus. This occurs if early buyers hold different preferences than do later consumers regarding the quality of a given product. Readers of early...

Patent expiration represents a turning point for the brand losing patent protection as bioequivalent generic versions of the drug quickly enter the market at reduced prices. In this paper, we study how physician characteristics and their prescribing decisions impact the competition among...

Measuring economic uncertainty is challenging, but it is important for policymakers to address it, especially in countries for which there are virtually no uncertainty indices. This article proposes an index of economic uncertainty for Poland, EURQPL, based on Internet searches for specific...

This paper uses a direct measure of efficiency to examine the relationship between market structure and the performance of brokerage houses in Turkey. This methodology involves two stages: First, a stochastic translog cost frontier is specified to obtain a direct measure of efficiency. Second,...

This paper investigates the relationship between firms’ innovation practices and performance in Taiwan. Using a panel of 4000 firms, we examine the effects of importing technology (versus doing R&D) on Total Factor Porductivity (TFP) growth. The relationship between these two innovation...