This study examines the causal effect of a change in administration of the New York State milk price gouging law on retail milk prices. Specifically, we focus on the November 2008 shift from a threshold pricing policy that consisted of monthly announced prices to a fixed margin policy. Using a...

Social broadcasting networks such as Twitter in the U.S. and "Weibo" in China are transforming the way online word of mouth (WOM) is disseminated and consumed in the digital age. In the present study, we investigated whether and how Twitter WOM affects movie sales by estimating a dynamic panel...

The external audit market in US is a market with noticeable features: a highly concentrated market, various choice patterns of auditors and the sequential mergers of big auditors over time. There has been growing concern about the impact of mergers and the increasing market concentration. Using...

This paper examines the effectiveness of four policy options to decrease the consumption of carbonated soft drinks (CSDs). They are: (1) a soda tax (1 cent per ounce), (2) a ban on television advertising, (3) limiting calories to 100 per 12 oz volume; and (4) banning large containers such as the...

This study examines how brand values of different carbonated soft drink (CSD) products change over time and how advertising and social media exposure contribute to brand building. The model consists of two stages. In the first stage, we adopt a structural approach to estimate the brand equities...