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1.
In an inventory model with exogenous sales, FIFO and LIFO criteria are formalized and compared with national account estimates for intermediate and finished good products. The model is simulated by utilizing manufacturing input and output prices for Italy (1970–88). LIFO and national account estimates of inventory are usually close and also imply reliable measures of output level and changes which can be shown by solving the quantity model. Conversely, FIFO exhibits larger profits and leads in real terms to unsatisfactory estimates of output changes. 相似文献
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Riccardo Cambini 《Decisions in Economics and Finance》1994,17(1):35-52
In questo lavoro si introducono cinque nuove classi di funzioni concave generalizzate; di esse si studiano le proprietà e le interrelazioni con le classi più note in letteratura. Più precisamente, dopo aver evidenziato che le nuove classi sono distinte tra loro e da quelle già note in letteratura, se ne analizzano organicamente le differenze e si studia il loro comportamento dapprima in ipotesi di semicontinuità superiore e poi in ipotesi di continuità. Nel lavoro si dimostra inoltre il mantenimento di alcune proprietà strutturali come pure la conservazione delle principali proprietà relative all'ottimizzazione.
Summary In this paper five new classes of generalized-concave functions are introduced and studied. In particular, it is firstly pointed out that the new classes are different from the known ones, then their relationships are stressed both in general and under hypothesis of upper semicontinuity and continuity.Also some properties about optimization and functions transformation are provided.相似文献
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Riccardo Sartori 《Quality and Quantity》2006,40(3):407-418
The expression “the bell curve” designs both a kind of statistical distribution and the title of a famous and controversial
book by Herrnstein and Murray. The first is so attractive that the second refers to it to give more credibility to its questionable
theories on intelligence. The point is that, during the 20th century, the bell curve has assumed a more and more important
role in psychological research and practice and have become both a reality and a myth. In the first case (reality) we can
assist to appropriate applications of a real useful statistical concept. In the second (myth) we can have two kinds of attitudes:
one attitude is typical of those researchers who search for normality in all their data and variables, just as Parsifal used
to search for the Holy Graal (we call this “the Parsifal attitude”); the other is typical of those researchers who give normality
for granted and act as if it were a Platonic Idea (we call this “the Plato attitude”). The article discusses the role of the
normal distribution in psychological research and practice and shows how it can be dangerous to treat the bell curve as a
God or an Idol. 相似文献
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Examining the Usefulness of an Accounting Work‐readiness Program as Perceived by Employed Program Graduates 下载免费PDF全文
This study investigates the usefulness of an Australian accounting work‐readiness program as perceived by international accounting graduates. Using logistic regression, the study reports the results of a survey of 186 graduates who completed the program in the period 2010–2013 and are now employed in either accounting or non‐accounting roles. The results show that graduates who were employed in an accounting role perceived internships and critical thinking skills to be the most useful curriculum components of the work‐readiness program in obtaining their employment. The findings have implications for various stakeholders, in particular educators and professional bodies involved in the curriculum design of the work‐readiness program. The government also has an interest in the value of this program as they grant visas for international students to study in Australia and fill a skills shortage in the profession. The results also provide insights for other Western economies that attract large numbers of international graduates as skilled migrants. 相似文献
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Antonella Cammarota Mario D'Arco Vittoria Marino Riccardo Resciniti 《International Journal of Consumer Studies》2023,47(5):1669-1691
Brand activism is a new and fragmented phenomenon that has been attracting growing attention from scholars. Research on this topic is still at an exploratory stage and in need of advancement and conceptualization. The aim of this study is to systematize the extant literature on brand activism by attempting an in-depth exploration of the antecedents that identify the construct along with the influencing and consequence factors that will need to be tested and validated by future research. This study adopts the guidelines provided by the SPAR-4-SLR protocol and considers 76 papers with no time limitation. To the best of our knowledge, this seems to be the first scientific systematization of brand activism. From the in-depth analysis of the extant literature, two conceptual frameworks were constructed that can guide both researchers, in their understanding and investigation of the phenomenon, and practitioners in their implementation strategies of brand activism. The no time restriction of the analysis has allowed an investigation of the phenomenon from its prodromes until recent years, also highlighting important gaps that will have to be filled by future research. 相似文献
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The Effect of Protest Votes on the Estimates of WTP for Use Values of Recreational Sites 总被引:1,自引:0,他引:1
Elisabetta Strazzera Margarita Genius Riccardo Scarpa George Hutchinson 《Environmental and Resource Economics》2003,25(4):461-476
Contingent valuation studies are often characterized by a considerable number of protest responses, which may cause selectivity bias on the final estimates for WTP. Sample selection models can detect and – if necessary – correct selectivity bias. In economic applications where the relevant dependent variable is continuous, sample selection models are generally estimated using Heckman's 2-step method rather than the FIML estimator. Either method has its own drawback: computational complexity for the FIML method, susceptibility to collinearity problems for the 2-step method. Using data on valuation of forest resources for recreational use, we analyse the performance of the two estimators. In this application, given the presence of some collinearity, the FIML is preferred to the 2-step method. A procedure is outlined to deal with selectivity problems in similar settings. 相似文献
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