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排序方式: 共有104条查询结果,搜索用时 15 毫秒
71.
In this paper, we present an application of input-output analysis to management control and strategic planning for a pharmaceutical company. The model highlights the complex system of relationships between the different strategic business areas of the company and provides a tool for forecasting the dynamics of production, profits and internally shared services. 相似文献
72.
73.
Anna Corinna Cagliano Alberto De Marco Giulio Mangano Giovanni Zenezini 《Operations Management Research》2017,10(3-4):104-117
This paper identifies the most important factors that influence the productivity of the urban fleet of a Logistics Service Provider (LSP). Through a regression analysis on a dataset from distribution warehouses of a single LSP, three main levers are shown to have significant impacts on productivity, namely the network design, the vehicle loading strategy, and the business environment wherein the operations are carried out. This paper contributes to bridge the gap about the lack of works addressing the efficiency of LSPs operating in urban areas, by performing a detailed empirical analysis instead of taking an aggregated company perspective. 相似文献
74.
Luisanna Cocco Giulio Concas Michele Marchesi 《Journal of Economic Interaction and Coordination》2017,12(2):345-365
This paper presents an agent-based artificial cryptocurrency market in which heterogeneous agents buy or sell cryptocurrencies, in particular Bitcoins. In this market, there are two typologies of agents, Random Traders and Chartists, which interact with each other by trading Bitcoins. Each agent is initially endowed with a finite amount of crypto and/or fiat cash and issues buy and sell orders, according to her strategy and resources. The number of Bitcoins increases over time with a rate proportional to the real one, even if the mining process is not explicitly modelled. The model proposed is able to reproduce some of the real statistical properties of the price returns observed in the Bitcoin real market. In particular, it is able to reproduce the unit root property, the fat tail phenomenon and the volatility clustering. The simulator has been implemented using object-oriented technology, and could be considered a valid starting point to study and analyse the cryptocurrency market and its future evolutions. 相似文献
75.
76.
Bidding in an Electricity Pay-as-Bid Auction 总被引:3,自引:0,他引:3
One of the main elements of the recent reform of electricity trading in the United Kingdom is the change from a uniform price auction in the wholesale market to discriminatory pricing. We analyze this change under two polar market structures (perfectly competitive and monopolistic supply), with demand uncertainty. We find that under perfect competition there is a trade-off between efficiency and consumer surplus between the two auction rules. We also establish that a move from uniform to discriminatory pricing under monopoly conditions has a negative impact on profits and output (weakly), a positive impact on consumer surplus, and ambiguous implications for welfare and average prices. 相似文献
77.
Following Shapley [Theory of Measurement of Economic Externalities, Academic Press, New York, 1976], we study the problem of the existence of a Nash Equilibrium (NE) in which each trading post is either active or “legitimately” inactive, and we call it a Shapley NE. We consider an example of an exchange economy, borrowed from Cordella and Gabszewicz [Games Econ. Behav. 22 (1998) 162–169], which satisfies the assumptions of Dubey and Shubik [J. Econ. Theory 17 (1978) 1–20], and we show that the trivial equilibrium, the unique NE of the associated strategic market game, is not “very nice,” in the sense that it is not “legitimately” trivial. This result has the more general implication that, under the Dubey and Shubik's assumptions, a Shapley NE may fail to exist. 相似文献
78.
Contracting inside an organization: An experimental study 总被引:1,自引:0,他引:1
Paul J. Healy John O. Ledyard Charles Noussair Harley Thronson Peter Ulrich Giulio Varsi 《Experimental Economics》2007,10(2):143-167
In this paper we propose and test a contracting mechanism, Multi-Contract Cost Sharing (MCCS), for use in the management of
a sequence of projects. The mechanism is intended for situations where (1) the contractor knows more about the true costs
of various projects than does the contracting agency (adverse selection), and (2) unobservable effort on the part of the contractor
may lead to cost reductions (moral hazard). The proposed process is evaluated in an experimental environment that includes
the essential economic features of the NASA process for the acquisition of Space Science Strategy missions. The environment
is complex and the optimal mechanism is unknown. The design of the MCCS mechanism is based on the optimal contract for a simpler
related environment. We compare the performance of the proposed process to theoretical benchmarks and to an implementation
of the current NASA ‘cost cap’ procurement process. The data indicate that the proposed MCCS process generates significantly
higher value per dollar spent than using cost caps, because it allocates resources more efficiently among projects and provides
greater incentives to engage in cost-reducing innovations.
Electronic Supplementary Material Supplementary material is available in the online version of this article at .
JEL Classification C72, C92, D82, L32 相似文献
79.
Giulio Cifarelli 《Open Economies Review》1995,6(1):29-48
I provide an economic interpretation of the long swings of the dollar in the 1980s. I use the fully modified estimator method to analyze the long-run behavior of the dollar/sterling exchange rate over the period 1979–1989, detecting a structural shift in February–March 1985. In the 1979–1985 subperiod economic agents have reacted to a reduced set of fundamentals only, a finding that might corroborate the irrational behavior interpretation of the dollar upswing. In the 1985–1989 subperiod economic agents have associated the equilibrium value of the dollar with the behavior of a more balanced set of fundamentals. 相似文献
80.
The size distribution and growth rate dynamics of U.S. companieshave been extensively studied by many authors. In this paper,using the COMPUSTAT database, we extend the analysis todisaggregated data, studying 15 sectors of the U.S.manufacturing industry. The sectoral investigation reveals thepresence of general statistical properties that can be consideredvalid across all the studied sectors. In particular, theprobability density of firms growth rates invariably displays acharacteristic tent shape and the relation between the size of afirm and the variance of its rates of growth is characterized, indifferent sectors, by very similar scaling relations. Thepresence of characteristics that are robust and sectoral invarianthints at the existence of generic statistical properties shapingthe dynamic of firms across the whole industry. 相似文献