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Abstract

Network effects as one kind of widespread economic phenomenon in the era of the information economy, concern for the growing number of economists. Is generally believed that the presence of network effects, the market will incumbent has a user base (installed base) on a \Whether such a first-mover advantage in the extent to which the increase of new products or new technologies to enter the market more difficult, has been the concern of economists. A subject-based computational economics model, trying to study through computer simulation experiments between market share and in the presence of network effects in the market, one with the original product is not compatible with the new final product obtained various background conditions relationship. Similar studies subdivide the network effects based on the concept of re-Friends of the effect, and heavy Friends of effect size and potential consumer relations network structure of the final market structure The in-depth study. In addition, this paper also dedicated government market into the effect can be achieved by supporting policies. , The support late domestic enterprises to enter the market for the purpose of trade policy and industrial policy has been widely used in the industry with strong network effects. Analysis of different market entry support policies to the effect that can be achieved in different background conditions, has important practical significance for policy choices. The structure of this paper is organized as follows: Chapter 1 of this research motivation and research topics in detail; Chapter 2 Introduction to network effects and some related concepts, and introduces new products into the network effects research; Chapter 3, one of the main innovations of this article - Heavy Friends of the effects of the detail; Chapter 4 of several representative network structure and analyze the strengths and weaknesses of the ACE method on this article The reason for using this method; Chapter 5 based computational economics model; Chapter 6 ultimate market share of new products based on the structure of this model of re-Friends of the effects and potential consumer relationship network computer simulation experiments, and some conclusions. Chapter 7 of the model were extended analysis of the different market entry support policies the effect of different background conditions. Chapter 8 describes and analyzes the case of two new products to enter the market successfully. Chapter 9 of the full text of a summary, and pointed out that further research directions. The main innovations of this paper is to: (1) subdivide the network effects based on clearly put forward the concept of re-Friends of the effect, and the re-Friends of the size of the effect as the introduction of a variable in the model, and then analyzes the re Friends of the effect what kind of impact the size of the final market structure. In the economics literature in the past, only a handful of economists mentioned phenomenon similar to the re-Friends of the effect of this phenomenon, but they are only simple

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Network Effect, Entrant of New Product and Policy Analysis

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