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81.
Albeverio Sergio Cordoni Francesco Di Persio Luca Pellegrini Gregorio 《Decisions in Economics and Finance》2019,42(2):527-573
Decisions in Economics and Finance - In this paper, we study the small noise asymptotic expansions for certain classes of local volatility models arising in finance. We provide explicit expressions... 相似文献
82.
The objective of this paper is to identify the determinants of the reactions of farm households to the decoupling of the Common Agricultural Policy (CAP) focusing, in particular, on changes in on-farm investment behaviour. The paper analyses a sample of 248 farm-households in 8 EU countries, using a non-parametric approach based on classification tree algorithms. The factors emerging as determinants of an increase in on-farm investment as a reaction to decoupling are: specialisation, existence of a successor, the farmer's age, labour management, SFP per hectare, location and expectations. When used, country variables, tend to substitute some of the factors listed above and become the main predictors, followed by labour endowment, specialisation and expectations. While the study confirms the relevance of the main determinants available from the literature, it also emphasises the articulation (non-linearities) of the effects of farm head age, labour management and SFP per hectare on the reactions to decoupling. This hints at the need for further research on the way such factors combine in determining farm-household reactions to a changing market and policy context, and support the usefulness of non-parametric statistics tools for such types of analysis. 相似文献
83.
Sergio Tezanos Vázquez 《Oxford Development Studies》2013,41(4):409-438
The geographical allocation of Spanish aid has been little studied, despite its unusual concentration on middle-income countries. This paper develops a theoretical model in which aid allocation depends on a combination of recipient needs, donor interests and performance criteria, and estimates it econometrically for Spain. The results show that the allocation of Spanish aid has been influenced both by Spain's own foreign policy interests and by recipient needs for poverty reduction and development (although not by the quality of recipient governance or recipient absorptive capacity). Former Spanish colonies received a disproportionate share of Spain's aid (as is true mutatis mutandis for other European countries), but aid is allocated among them with greater regard to recipient need than is Spain's aid to other developing countries. 相似文献
84.
85.
The present study introduces a theoretical land pricing model that allows for proportional transaction costs, and a corresponding kernel regression test. The model is tested with farmland returns data for 20 individual states, and also with two aggregate U.S. level series. The constant discount rate (CDR) present value model (PVM) of farmland prices is strongly rejected. However, it is found that the behavior of land prices and rents is consistent with the CDR-PVM in the presence of empirically observed values of transaction costs. Findings are very robust in that they apply to both individual state-level data and the U.S. aggregate-level series. 相似文献
86.
We show that the manner in which the production process is seen when analyzing data on electricity production has an impact
on the policy conclusions. In particular, we show that the different specifications of output found in the literature can
generate quite diverse views regarding regulation and optimal industry structure, even when using the same data to estimate
a cost function. To illustrate this we use information gathered from the Spanish Electric Industry and analyze electricity
activities following three approaches: the traditional aggregate activity view, the multistage model and the multioutput-multistage
approach. We estimate the degree of economies of scale S and derive marginal costs for all models, plus economies of vertical integration (EVI) for the last two ones. Then we compare
these results and verify that the aggregate analysis can mislead policymaking. 相似文献
87.
Most brand extension studies follow the assumption that brand extensions use the full original parent brand name (e.g., Oral-B tooth brush may extend to Oral-B dental floss). However, some companies use derived brand names in their brand extension strategies (e.g. Nestea Iced Tea). This study explores the advantages and disadvantages of derived brand extensions compared to full name extensions. The study examines the importance of target market effects on the evaluation of both brand extension strategies. Findings support the idea that derived brand names leverage parent brand evaluations and protect parent brand from extension failures. 相似文献
88.
Sergio Jara-Díaz Alejandro Tirachini Cristin E. Corts 《Journal of Transport Geography》2008,16(6):430
Microeconomic public transport models aimed at maximizing social benefits usually consider demand in an aggregate manner. In this paper we examine the effect of this approach on the optimal values of frequency and vehicle size by comparison with models where demand is described in detail as a matrix of flows between every station in a single line service. The theoretical analysis and the numerical examples suggest that the spatially aggregated model underestimates optimal frequency and overestimates vehicle size. 相似文献
89.
We examine the relationship between the US current account deficit, the international value of the dollar, and the dollar reserves of foreign central banks. The declining dollar could benefit US savers at the expense of foreign investors in the USA. 相似文献
90.
Sergio Salis 《The World Economy》2008,31(8):1030-1048
This paper investigates the impact of foreign acquisition on the productivity of Slovenian manufacturing firms subject to takeover in 1997. It finds evidence that foreign investors acquire those enterprises with higher productivity, that are more inclined to export and that operate in more concentrated industries. It then controls for the estimation bias induced by this non‐random selection process by applying the combined propensity score matching and difference‐in‐differences estimation technique. The results of the empirical analysis show no robust statistical evidence of a positive causal effect of foreign acquisition up to two years following takeover. This finding suggests that a transfer of intangible assets from foreign firms to their Slovenian affiliates does not take place over this time period. 相似文献