We develop a simple method for forecasting and benchmarking consumer trial of new products. First, we extend the exponential trial growth models used in controlled test markets to the context of national product launches. This provides a marketing science benchmark against which our new approach...

We investigate the nature of price competition among firms that produce differentiated products and compete in markets that are limited in extent. We propose an instrumental variables series estimator for the matrix of cross price response coefficients, demonstrate that our estimator is...