This paper examines the effects of supermarket loyalty programs on the demand for private labels (PLs). Using transaction level data on grocery purchases and individual level information on the membership of loyalty programs, I estimate a model of demand in which membership may affect the...

Scientific evidence on the effect of sugar consumption on obesity has propelled policy makers in several states across the U.S. to propose the imposition of a tax on soft drinks sales. In this paper, we look at the effect of two tax events: a 5.5% sales tax on soft drinks imposed by the state of...

This paper develops a conceptual framework that can explain why economic development goes along with increases in body weight and obesity rates. We first introduce the concept of novelty consumption, which refers to an increase in food availability due to trade or innovation. Then we study how...

A long literature has developed econometric methods for estimating individual-consumer-level demand systems that accommodate corner solutions. The increasing access to transaction-level customer purchase histories across a wide array of markets and industries vastly expands the prospect for...

The rational addiction model is usually tested by estimating a linear second-order difference Euler equation, which may produce unreliable estimates. We show that a linear first-order difference equation is a better alternative. This empirical specification is appropriate under the reasonable...

Polish Abstract: Funkcjonowanie na rynkach zagranicznych w warunkach silnej konkurencji i występującej odmienności kulturowej wymaga od przedsiębiorstw podejmowania działań związanych z dostosowywaniem się do oczekiwań nabywców. Dotyczy to w szczególności komunikacji marketingowej, w...

Der Sachverständigenrat für Verbraucherfragen hat erstmals ein breit angelegtes Gutachten zur Lage der Verbraucher:innen in Deutschland vorgelegt. Gert G. Wagner, Mitglied im Sachverständigenrat für Verbraucherfragen, stellt aus seiner persönlichen Sicht ausgewählte Analysen, Ergebnisse...

We study the impact of the boycott on Japanese products, initiated in July 2019, in the Korean beer market. First, we find that sales of Japanese beer decreased by 75 percent on average during the 14-month boycott period in the data. Second, the decrease in Japanese beer sales during the boycott...

Background: Genetically modified (GM) foods could be a promising option to reduce the dependence of the agri-food system on conventional means of crop improvement. However, the safety of GM food remains a concern, in addition to the perceived and real risks to environment. The opinion about...

The government has proposed a ban on the sale of energy drinks to minors on the basis that these products have high levels of sugar and caffeine, and can be damaging to health. Many energy drinks are low in sugar or contain no sugar at all. Even full sugar energy drinks do not contain more sugar...