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排序方式: 共有223条查询结果,搜索用时 15 毫秒
61.
Enrico Forti Maurizio Sobrero Andrea Vezzulli 《Journal of Product Innovation Management》2020,37(3):228-248
Product development teams often face the challenge of designing radically new products that cater at the same time to the revealed tastes and expectations of existing customers. In new product development projects, this tension guides critical choices about continuity or change concerning product attributes and team composition. Research suggests these choices interact, but it is not clear whether they are complements or substitutes and if the level of change in one should match or not the level of change in the other. In this article, we examine the interaction between product attribute change, team change, and a new team-level factor, which we term stream concentration, as it captures differences among team members in terms of familiarity with the knowledge domain of the new product being developed. We measure stream concentration as team members’ prior NPD experience within a given set of products and assess its impacts on the management of change in new product development projects using longitudinal data from the music industry. We analyze 2621 new product development projects between 1962 and 2008 involving 34,265 distinct team members. Results show that stream concentration is a critical factor in new product development projects that, together with product attributes and team composition, affects new product performance. We discuss implications for research and practice. 相似文献
62.
Bani-Mustafa Ahmed Matawie K. M. Finch C. F. Al-Nasser Amjad Ciavolino Enrico 《Quality and Quantity》2019,53(3):1263-1274
Quality & Quantity - This paper presents and extends the concept of recursive residuals and their estimation to an important class of statistical models, Linear Mixed Models (LMM). Recurrence... 相似文献
63.
Vittorio Chiesa Enrico Giglioli Raffaella Manzini 《Technology Analysis & Strategic Management》1999,11(2):255-279
This paper deals with the selection of a firm's technological competencies on which to concentrate development efforts in a long term view. The perspective is that of corporate R&D which has to identify the technological competencies relevant to future competition and select those core for the firm. This process faces a major challenge, especially to put together different issues relevant to the problem: identify future scenarios and predict how new industries will be shaped, evaluate the potential of future markets, estimate the role and relevance of the technologies involved, identify a balanced set of technologies. This paper proposes a comprehensive methodology to support the process of selection of core technological competencies. 相似文献
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The paper first shows that financial market equilibria need not to exist if agents possess cumulative prospect theory preferences with piecewise-power value functions. This is due to the boundary behavior of the cumulative prospect theory value function, which might cause an infinite short-selling problem. But even when a non-negativity constraint on final wealth is added, non-existence can occur due to the non-convexity of CPT preferences, which might cause discontinuities in the agents’ demand functions. This latter observation also implies that concavification arguments which has been used in portfolio allocation problems with CPT preferences do not apply to our general equilibrium setting with finite many agents. Existence of equilibria is established when non-negativity constraints on final wealth are imposed and there is a continuum of agents in the market. However, if the original prospect theory is used instead of cumulative prospect theory, then other discontinuity problems can cause non-existence of market equilibria even in this case. 相似文献
67.
This paper focuses on environmental policies aimed at rising investment in pollution abatement capital. We assume that ecological uncertainty, i.e., uncertainty over the dynamics of pollution, affects firm investment decisions. Capital irreversibility is not postulated but endogenized using a quadratic adjustment cost function. Using this framework, we study the effects of environmental policies considering taxes on polluting inputs and subsidies to reduce the cost of abatement capital. Environmental policies promoted to enforce abatement capital may generate the unexpected result of reducing the abatement investment rate. 相似文献
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The purpose of this overview paper is to present the economic growth in China and India over the last three decades with a specific focus on the integration of these countries into the global economy. In the first part, we briefly review the long-run process of growth and institutional change, emphasizing the reforms leading to the “opening” of the two economies. Then, we focus on key structural features and compare the recent development processes of the two countries. At the end, there are some hints about certain persisting imbalances and the sustainability of the growth processes. 相似文献
70.
Enrico Colombatto 《Journal of Bioeconomics》2003,5(1):1-25
The paper emphasizes two flaws in mainstream economics: the failure to understand actual human behavior in many real contexts and the failure to take account of transaction costs. By emphasizing the role of knowledge, institutions, transaction costs and path dependence, new institutional economics has provided a powerful answer to these shortcomings. Nevertheless, a number of questions remain open. In particular, path dependence is far from being a continuous process. Its dynamics and its irregularities are by and large unexplained. Hence, a strong need for a convincing evolutionary theory of environmental change. This article does not deny the validity of the Darwinian view applied to the theory of the firm and of competition in a free-market economy. The paper, however, maintains that the natural-selection process that characterizes the Darwinian approach is ill suited to describe economic evolutionary processes. It is shown that a combination of functional analysis and natural selection may indeed be a better solution, for it solves some of the puzzles raised by public choice theory without violating the fundamental tenets of the new institutional economics approach. Still, although this combined view may well explain why the institutional features are retained by the system, it does not clarify why they are introduced in the first place. A third possibility is put forward in the second part of the paper, where a new evolutionary theory is suggested. Within this framework, agents are assumed to behave according to their preferences within the existing rules of the game. At the same time, new ideas and sometimes new ideologies may influence their behavioral patterns. The combination between needs and ideologies generates environmental change, especially if so-called ideological entrepreneurs are able to transform latent and shared beliefs into an institutional project and enforce it. 相似文献