Significant Issues for the Future of Product Innovation

What's happening in the world of product innovation? What are the tough issues that managers are facing? And what's going to happen in the remaining years of this decade? In this article, several members of the Editorial Board of The Journal of Product Innovation Management offer their ideas about where the important problems lie. This is the fodder for a good round table discussion and through the medium of this journal we'll engage in such a discussion in this and a subsequent issue.     

Estimating risk-return relationships: An analysis of measures

We show that the risk-return paradox can be partly explained by the choice of accounting risk and return measures. Returns computed with equity or assets from End-of-Period (EOP) annual reports produce negative risk-return associations, while measures calculated using Beginning-of-Period (BOP) equity or assets yield more positive relationships. The likelihood of reporting negative relationships using EOP methods is accentuated by dividing samples at median returns. Below-median firms suffer losses and may appear to have lower and more variable returns than above-median firms, simply because of EOP methods. Our results show that mean and variance measures are unstable and risk-return relationships vary inversely the number of firms reporting mean losses.     

Selecting Winning New Product Projects: Using the NewProd System

Separating probable winners from probable losers is the goal of the new product screening task, and Professor Robert G. Cooper has developed a model that does this with remarkable success. In this article, he reviews various approaches to new product screening and then presents the basics of the NewProd model. NewProd now has a history of use in industry that seems to be fulfilling its original research promise. Professor Cooper shows how managers can build their own screening models and outlines how such models can contribute in an important way to better new product selection decisions. Over the years, Professor Cooper has conducted a series of major research projects that have aimed at improvements in the new product process. Their hallmark has been managerial relevance and a sound theoretical foundation. This article, the third that Professor Cooper has published in JPIM , is in the same tradition.     

CONSTANT-QUALITY PRICE INDICES FOR AGRICULTURAL INPUTS: TRACTORS AND FERTILISERS REVISITED

This paper employs the hedonic regression technique to construct constant-quality price indices and quality change indices for two agricultural inputs - tractors and fertilisers - over the period since World War II in the UK. The technique is described and related to productivity measurement in order to show its relevance for measuring price changes for inputs subject to technological improvement. Problems of application are discussed with reference to the two inputs. The constant-quality price indices derived for tractors and fertilisers are briefly compared with available ‘official’ price series     

什么阻滞了中国的国富？——新科诺奖得主普雷斯科特专访

倘若生活在200年前的中国，你的生活水平与欧洲人无异，而当时的美国仅仅是一片蛮荒之地。然而，伴随着现代经济的发展，20世纪的世界经济格局发生了巨大变化，美国和日本先后超越英国，上演了经济高速发展的奇迹。那么，到底是什么原因阻碍了中国汇入现代经济发展的洪流？在2004年诺贝尔经济学奖得主——爱德华·普雷斯科特(Edward Christian Prescott)看来，闭关锁国是导致中国经济停滞不前的根源，”宋朝时候的中国很富裕，     

Intra-Industry trade and limited producer horizons: An empirical investigation

Intra-Industry Trade and Limited Producer Horizons: An Empirical Investigation. — Following three decades of growing integration, intra-European trade has expanded significantly. Much of the growth has been in intra-industry trade (ITT). ITT appears to be causally correlated with integration, one possible link being through the impact of market integration on producer horizons. This paper applies the limited producer horizons hypothesis as a possible explanation of movements in IIT in an important class of differentiated products. It finds evidence in support of the hypothesis for some, but not all, countries in the EC.