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1.
Stefan Kurpjuweit Christoph G. Schmidt Maximilian Klckner Stephan M. Wagner 《Journal of Business Logistics》2021,42(1):46-70
Additive manufacturing (AM) appears to be a particularly attractive use case for blockchain. This research combines inductive in‐depth interviews with the Delphi method to explore what potentials blockchain technology in AM creates, which adoption barriers firms need to overcome, and how supply chains will be affected by the integration of these two potentially disruptive technologies. The results suggest opportunities that are related to intellectual property (IP) rights management, the monitoring of printed parts throughout their lifecycle, process improvements, and data security. The most important barriers for blockchain adoption in AM are an absence of blockchain‐skilled specialists on the labor market, missing governance mechanisms, and a lack of firm‐internal technical expertise. By addressing important limitations of AM, blockchain is expected to improve the competitiveness of AM in parts’ production, catalyzing the trend toward more decentralized manufacturing resulting in more agile, resilient, and flexible supply chains and reduced logistics costs. Beyond that, blockchain‐based AM platforms are expected to enhance supply chain visibility, drive supply chain digitalization, support supply chain finance, and contribute to the emergence of shared factory systems. 相似文献
2.
Franz Peter Lang 《Intereconomics》1992,27(4):182-189
The integration of the former state-trading countries into international free trade may, on the one hand, sensibly complement the reforms now under way towards their becoming market economies; on the other hand, this move harbours the risk of perpetuating and indeed aggravating the economic backwardness of those countries. The detrimental effects can be avoided if a product-cycle-oriented economic policy is pursued which makes a deliberate point of utilizing the relatively rich endowment of human capital available in these countries. 相似文献
3.
Franz Seitz 《Intereconomics》1997,32(2):67-73
The German currency is held and used abroad because of its liquidity and stability relative to most of the world’s currencies. DM banknotes are used as a transactions medium and as a store of value. The number of these which are held abroad is of interest to policy-makers for various reasons, but is rather difficult to estimate. Professor Seitz outlines the results of several estimation methods and discusses the monetary policy consequences. 相似文献
4.
5.
Franz Neueder 《Intereconomics》2003,38(4):190-195
While the political benefits of the coming EU enlargement are relatively easy to identify, its economic and financial consequences
are less unequivocal. The following article examines the likely costs and benefits of enlargement to both existing and future
Members, and in particular how it will affect Germany, one of the few present EU Member States which has direct borders with
acceding states.
The article expresses the personal opinions of the author. 相似文献
6.
Franz Xaver Hof 《Empirica》1987,14(2):227-248
Zusammenfassung Die vorliegende Arbeit untersucht die Effektivität systematischer (d. h. regelgebundener) Geldpolitik in einem makroökonomischen Modell mit einer Lucas-Angebotsfunktion, rationalen Erwartungen und asymmetrischer Information. InMcCallum (1980) wurde dieses Modell anhand der Methode der unbestimmten Koeffizienten gelöst und gezeigt, daß die Notenbank die Varianz des Outputs durch die Wahl des Politikparameters in einer einfachen Geldmengenregel (autoregressiver Prozeß erster Ordnung) beeinflussen kann. Die Auswirkungen von monetären Schocks können dabei zwar gedämpft, aber nicht vollständig eliminiert werden.In der vorliegenden Arbeit wird das Modell anhand der Methode der forward looking solutions gelöst und gezeigt, daß esunendlich viele Geldmengenregeln gibt, welche den Output von Geldangebots- und Güternachfrageschocksperfekt abschirmen. Produktivitätsschocks können hingegen nur kurzfristig neutralisiert werden.
I am indebted to H. Frisch, Ch. Peutl, and unknown referees for their valuable comments and suggestions. 相似文献
I am indebted to H. Frisch, Ch. Peutl, and unknown referees for their valuable comments and suggestions. 相似文献
7.
Wagner JL 《The Quarterly review of economics and business》1990,30(4):95-100
Mark Pauly claims that a "competitive" health care system will solve the health care cost crisis. This article examines how well the competitive solution deals with the five central problems of the health care system: (1) almost universal lack of adequate health insurance for nursing homes and home care; (2) Medicaid's penurious approach to payment for health services for the poor; (3) the emergence of a dual health care system, especially for children; (4) the entrenched waste and inefficiency of the health care system; and (5) consumers' inability to judge the quality of health care. The competitive solution does not eliminate any of these problems--and may not even improve some of them. 相似文献
8.
Immigration and the Trade of Provinces 总被引:7,自引:0,他引:7
A link between immigration, imports, and exports has been found by a number of papers that have used the gravity equation to analyze bilateral trade patterns. We discuss what this research implies about the mechanisms through which immigrants expand trade and identify strengths and weakness of the various approaches. This paper also contributes to this literature by estimating immigrant effects for Canada using cross‐province variation in international trade and immigration patterns. We derive an alternative functional form capturing the relationship between immigration and trade based on the proposition that immigrants use their connections and superior 'market intelligence' to exploit trade opportunities that non‐immigrants do not access. We find that the average new immigrant expands exports to his/her native country by $312 and expands imports by $944. 相似文献
9.
Judgment aggregation: (im)possibility theorems 总被引:3,自引:0,他引:3
Franz Dietrich 《Journal of Economic Theory》2006,126(1):286-298
The aggregation of individual judgments over interrelated propositions is a newly arising field of social choice theory. I introduce several independence conditions on judgment aggregation rules, each of which protects against a specific type of manipulation by agenda setters or voters. I derive impossibility theorems whereby these independence conditions are incompatible with certain minimal requirements. Unlike earlier impossibility results, the main result here holds for any (non-trivial) agenda. However, independence conditions arguably undermine the logical structure of judgment aggregation. I therefore suggest restricting independence to “premises”, which leads to a generalised premise-based procedure. This procedure is proven to be possible if the premises are logically independent. 相似文献
10.
The availability of a stochastic repairable system depends on the failure behaviour and on repair strategies. In this paper,
we deal with a general repair model for a system using auxiliary counting processes and corresponding intensities which include
various degrees of repair (between minimal repair and perfect repair). For determining the model parameters we need estimators
depending on failure times and repair times: maximum likelihood (ML) estimator and Bayes estimators are considered. Special
results are obtained by the use of Weibull-type intensities and random observation times. 相似文献