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141.
Carlos Alfredo Rodriguez 《Review of World Economics》1978,114(1):1-11
Zusammenfassung Ein einfaches keynesianisches Modell der Inflation und der Arbeitslosigkeit bei rationalen Erwartungen. — Dieser Aufsatz entwickelt
ein einfaches makro?konomisches Modell keynesianischer Struktur, in dem eine lang-same Anpassung der Nominall?hne das gleichzeitige
Bestehen von Inflation und Arbeitslosigkeit zul?βt. Die Preise der Fertigwaren sind vollst?ndig flexibel, und die Erwartungen
hinsichtlich der zukünftigen Preisbewegungen werden rational ge-bildet, so daβ sie alle Informationen über institutionelle
Beschr?nkungen des Arbeits-marktes und über die w?hrungs- und fiskalpolitischen Regeln der Regierung ent-halten. Es wird gezeigt,
daβ es trotz kurzfristiger Starrheit der L?hne m?glich ist, die Volkswirtschaft sofort bei Zielgr?βen für Inflation und Besch?ftigung
zu stabili-sieren, wenn man die Maβnahmen so kombiniert, wie R. Mundell (1971) vorgeschla-gen hat, d.h. die Rate der monet?ren
Expansion sollte sich nach der angestrebten Inflationsrate richten und die Fiskalpolitik dem Besch?ftigungsziel dienen.
Résumé Un simple modèle Keynesien d’inflation et de ch?mage sous des expectatives rationelles. — Ce papier développe un simple modèle macroéconomique de la structure Keynesienne où l’ajustement lent des rémunérations nominales permet la coexistence de l’inflation et du ch?mage. Les prix des biens finaux sont complètement flexibles et les expectatives concernant les mouvements futurs des prix sont formées rationellement en manière qu’elles incorporent toutes les informations regardant les restrictions institutionelles sur le marché du travail aussi bien que les règles de la politique monétaire et fiscale du gouvernement. Nous démontrons que, malgré de la rigidité salariale à court terme il est possible de stabiliser immédiatement l’économie sur le niveau des buts d’inflation et de ch?mage supposé que la combinaison des politiques recommandée par R. Mundell ({dy1971}) soit pour-suivie, c’est-à-dire que le taux de l’expansión monétaire devrait être lié au but d’inflation et la politique fiscale au but de ch?mage.
Resumen Un modelo keynesiano simple de inflación y desempleo bajo expec-tativas racionales. — En este artículo se desarrolla un modelo macroeconómico simple de una estrutura keynesiana, donde un ajuste lento de los salarios nominales permite la coexistencia de inflación y desempleo. Los precios de los bienes finales son completamente flexibles y las expectativas referentes a movimientos futuros de precios se forman racionalmente, de tal manera que ellas incorporan toda la información referente a limitaciones institucionales en el mercado del trabajo, como también las reglas gubernamentales de las políticas monetaria y fiscal. Se muestra, que a pesar de la rigidez de corto plazo de los salarios, es posible estabilizar instan-tàneamente la economia a niveles establecidos como metas para la inflación y el desempleo, siempre que se aplique la mezcla de politicas recomendada por R. Mundell (1971), p.ej.: la tasa de expansión monetaria debe ser ajustada a la tasa de inflación asignada como meta y la política fiscal a la tasa de desempleo asignada como meta.相似文献
142.
Vassilios Tatsis Carlos Mena Luk N. Van Wassenhove Linda Whicker 《Journal of Purchasing & Supply Management》2006,12(2):63-74
Most empirical research on e-procurement has focused on large economies and technology-related industries, paying little attention to smaller economies and traditional industries. This paper addresses this gap by presenting a study on the state and development of e-procurement in the Greek food and drink industry, based on four case studies with some of the largest organisations in the industry. This study indicates that the uptake of e-procurement has been slow and reveals some important impediments, such as the uncertainty of the technology and its benefits, the lack of infrastructure and skills and the traditional nature of the industry. These results led to a series of findings, propositions for further investigation. The drivers and impediments to e-procurement have been classified into four different levels: global, country, industry and firm. Each of these levels requires a different approach to dealing with it, having implications for practitioners and policymakers. 相似文献
143.
Whereas a few hundred generic drugs are essential for health care, the international and many national markets are flooded with tens of thousands of brand-name preparations. This numerical difference is because of the many imitative products, drug combinations, brandname duplications, and drugs with low therapeutic value and/or unacceptable adverse effects. Since independence Mozambique has reduced the number of registered products, including those for retail pharmacy sale, from some 26,000 to about 1200. An effective national formulary has been introduced for health service use and now contains only 343 distinct therapeutic substances. The formulary uses only international non-proprietary names, and has been used to rationalize state pharmaceutical procurement with cost savings and to improve drug information and use. 相似文献
144.
145.
K. Brandt A. Stobbe E. H. Buchholz E. Weissel P. Minet A. Montaner K. Borchardt H. B. Bachmann Th. Nowotny J. Vlcek C. -A. Andreae M. Streissler A. Nußbaumer Th. Pütz K. W. Rothschild F. G. Schadlbauer Carlos Uribe Garzón H. Firnberg 《Journal of Economics》1964,24(4):456-480
Ohne Zusammenfassung 相似文献
146.
This paper studies the use of supplier's trade credit by firms in financial distress. Trade credit represents a large portion of firms’ short‐term financing and plays an important role in financial distress. We find that firms in financial distress use a significantly larger amount of trade credit to substitute for alternative sources of financing. Firms that are smaller, with less market power, and with more unique products tend to use more trade credit financing when in distress. We also find that firms that significantly increase their trade payables when in financial distress, experience an additional drop of at least 11% in sales and profitability growth over the previously documented 21% average drop for financially troubled firms. 相似文献
147.
Technical efficiency of UK airports 总被引:3,自引:1,他引:2
In this paper, the random stochastic frontier model is used to estimate the technical efficiency of UK airports. The airports are ranked according to their productivity for the period 2000–2005 and homogenous and heterogeneous variables in the cost function are disentangled. These changes the ranking of the efficiency of UK airports compared to more conventional measures. 相似文献
148.
The relevance of nonlinear internationalisation regarding exporting activities and the performance post re-entry remains little understood. This study develops a two-stage model to explain the process of exporting firms’ exit and re-entry decisions regarding individual export markets. Specifically, it investigates the dynamic relationships between exit and re-entry stages by focusing on the time-out period. This study empirically tests the decision model by employing export data from the Chinese Customs for the period 2000-2009. The results indicate the importance of the exit stage in shaping re-entry decisions, price/quality ratio and export performance, where time-out period plays a significant role in varying these effects. 相似文献
149.
Mansano Rafael Esteves Allem Luiz Emilio Del-Vecchio Renata Raposo Hoppen Carlos 《Quality and Quantity》2022,56(4):2325-2340
Quality & Quantity - A portfolio associated with a balanced signed graph that contains both positive and negative edges is more predictable and risk-averse, and is therefore likely to require... 相似文献
150.
This paper surveys the conditions under which it is possible to represent a continuous preference ordering using utility functions. We start with a historical perspective on the notions of utility and preferences, continue by defining the mathematical concepts employed in this literature, and then list several key contributions to the topic of representability. These contributions concern both the preference orderings and the spaces where they are defined. For any continuous preference ordering, we show the need for separability and the sufficiency of connectedness and separability, or second countability, of the space where it is defined. We emphasize the need for separability by showing that in any nonseparable metric space, there are continuous preference orderings without utility representation. However, by reinforcing connectedness, we show that countably boundedness of the preference ordering is a necessary and sufficient condition for the existence of a (continuous) utility representation. Finally, we discuss the special case of strictly monotonic preferences. 相似文献