Predicting New Product Sales: The Post-Launch Performance of 215 Innovators

New product sales are hard to predict. Our analysis of sales performance two years after market launch reveals that three groups of factors do not increase the accuracy of predicting new product sales: (1) A firm’s general experience and experience with innovation; (2) High technological competences and strong knowledge networks; (3) Customer involvement in new product development. RD but it may also enhance knowledge leaking to competitors, thus increasing probabilities of unexpected failure.