One of the challenging issues in developing analytical tools to assist the multi-product (item) procurement decisions is how attributes (features) of products can be accommodated to address the substitution effect. It is challenging because the historical sales data seldomly captures whether a...

This paper provides new identification results for a large class of (static) consumer problems that contain (production) functions in the budget constraints. I show that the mere structure of the consumer problem is sufficient to nonparametrically identify the part of the production functions...

The main purpose of this paper is to develop generalized 'State Dependent Models' (SDM) in a multivariate framework for empirical analysis. This significantly extends the existing SDM which only allow univariate analysis following a simple AR process. The extended model enables greater...

Policymakers, firms, and investors closely monitor traditional survey-based consumer confidence indicators and treat it as an important piece of economic information. We propose a latent factor model for the vector of monthly survey-based consumer confidence and daily sentiment embedded in...

Mortgage loans are leading examples of transactions where experts on one side of the market take advantage of consumers' lack of knowledge and experience. We study the compensation that borrowers pay to mortgage brokers for assistance from application to closing. Two findings support the...

Mortgage loans are leading examples of transactions where experts on one side of the market take advantage of consumers' lack of knowledge and experience. We study the compensation that borrowers pay to mortgage brokers for assistance from application to closing. Two findings support the...