Consumer preferences are changing over time. In this dissertation, we provide three studies regarding changes in consumer preferences and methods of modeling time-varying preferences. In Chapter 1, we propose a Simulated Maximum Likelihood estimation method for the random coefficient logit model...

This paper conducts several analyses to discuss about consumers' preference of rice brands and suggest a way to reduce the number that currently stands at about 1,700 in the Korean market. With data collected from 358 survey respondents, a conjoint analysis was conducted to identify consumers'...