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101.
There exists a large literature on price transmission in agro‐food sectors. However, a great majority of empirical studies focus on the existence of asymmetry and, by and large, do not investigate the reason for its presence or absence. This is in sharp contrast to the theoretical literature that provides a number of explanations of why we should expect (a)symmetry. In response, this paper investigates the reasons for asymmetric price transmission in the agro‐food chain, using meta‐analysis of existing studies. Our focus is on the organizational and institutional characteristics of the agro‐food supply chain. Our findings suggest that asymmetric price transmission in farm–retail relationships is more likely to occur in sectors/countries with more fragmented farm structure, higher governmental support and more restrictive regulations on price controls in the retail sector. On the other hand, more restrictive regulations on entry barriers in the retail sector and the relative importance of the sector tend to promote symmetric farm–retail price transmission. The latter is also more likely in the presence of a strong processing industry. 相似文献
102.
Federica Di Marcantonio Pavel Ciaian Jan Fałkowski 《Journal of Agricultural Economics》2020,71(3):877-903
It is commonly asserted that unfair trading practices (UTPs) emerge largely as a result of contract incompleteness. In line with this view it is claimed that making contracts more complete will represent an antidote to UTPs. In this paper we argue that this does not need to be the case. This is because contracts, except for their potential to increase the surplus generated in the transaction, determine how this surplus will be divided. This, in turn, makes it possible for both trading partners to use contractual terms to turn the distributional conflict to their advantage. In the presence of unequal distribution of bargaining power this may lead to a situation in which the stronger party may succeed in tilting the contract in its favour by including UTPs in the contract content. Drawing insights from data collected in 2017 through a field survey among dairy farmers in France, Germany, Poland and Spain, we find support for this argument. Our estimation results show that contract completeness increases the likelihood of farmers reporting that their contracts with processors include the practices that may be considered as UTPs. Further, and also in line with this argument, contract completeness does not seem to affect UTPs during the contract execution or its termination. 相似文献
103.
In this paper, we analyze under which conditions a self-supporting insurance guaranty fund can be beneficial for the policyholders in an incomplete market. Within the analyzed setting, we find out that in general, if existent, the potential advantages from its introduction cannot be fairly divided among the participating insurers. Thereby, we have to expect systematic wealth transfers between the policyholders of different insurance companies. We introduce a framework for utility-based fund charges as a solution to this problem. 相似文献
104.
We examine commercial office cap rates in 89 large cities in 33 developed and developing countries in the 2000–2019 period. We find that cap rates decline throughout the world over this period, reflecting a corresponding decline in the real rate of interest. In the cross-city analysis our most robust findings are that office cap rates are lower in wealthier cities, especially those that are either considered gateway cities or financial centers. In addition, cap rates tend to be higher in countries with lower credit ratings and higher inflation rates. We find that cap rates in suburban office markets are higher than in central business districts, and for a given metropolis, suburban cap rates are lower in suburbs with better public transport connections to the central business district. Finally, evidence from regressions with city fixed effects reveal that cap rates rise as the discount rate and vacancy rates increase and fall as cities get wealthier. 相似文献
105.
Krzysztof Jackowicz Oskar Kowalewski Łukasz Kozłowski 《Journal of Financial Services Research》2018,54(2):179-205
We investigate whether the public sector’s ability as the guarantor of last resort (GLR) to help banks or to guarantee banks’ liabilities affects the sensitivity of interest costs to bank fundamentals. We use a global bank sample and find that the sensitivity is an increasing function of GLR risk, regardless of the method applied to describe this risk. Therefore, our results indicate that increased levels of GLR risk might foster market monitoring by depositors. 相似文献
106.
A drawdown constraint forces the current wealth to remain above a given function of its maximum to date. We consider the portfolio optimisation problem of maximising the long-term growth rate of the expected utility of wealth subject to a drawdown constraint, as in the original setup of Grossman and Zhou (Math. Finance 3:241–276, 1993). We work in an abstract semimartingale financial market model with a general class of utility functions and drawdown constraints. We solve the problem by showing that it is in fact equivalent to an unconstrained problem with a suitably modified utility function. Both the value function and the optimal investment policy for the drawdown problem are given explicitly in terms of their counterparts in the unconstrained problem. 相似文献
107.
Miroslaw M. Hajdasiński 《工程经济学家》2013,58(2):155-163
In his recent paper [3], Dean R. Longmore develops a new concept of the Payback Period project evaluation criterion, the so-called Time-Adjusted Payback Period, which is supposed to be NPV-compatible and is, therefore, expected by the author to address the needs of practitioners. In this paper, it is indicated that the formulation of the proposed criterion is mathematically incomplete, and its complete version is presented. It is also shown, using numerical examples, that the criterion devised in [3] does not reflect the true content of its name and constitutes, instead, an artificial profitability index. Although this index, in its complete version, is indeed NPV-compatible, it does not, however, offer any advantages over the NPV. 相似文献
108.
The aim of this paper is to make the case for a systematic engagement of transition studies with complexity theory and research. We argue that transition research is important for the understanding and development of possible sustainable future pathways. However, there are several controversies in transition research, including, the role of agency in transitions; the relationships between levels (niche, regime and landscapes); the origin of transitions; the identification of a transition, including starting and ending point of transition processes; and the paradox of replicability and scaling up of independent experiments. We argue that transition research, and future studies can benefit from taking complexity theory seriously. In the paper, we elaborate four insights from complexity studies that can move the research agenda of transition studies forward: empirically investigating the degree of complexity of a system; investigating complexity at the level of the policy-making system; longitudinal and retrospective research designs for the identification of transitions; methodological tools which accommodate complexity, such as agent-based modeling and ARIMA modeling. Further, we suggest how these can improve our knowledge of transitions towards sustainable future. 相似文献
109.
In this paper we modify the expectation maximization algorithm in order to estimate the parameters of the dynamic factor model on a dataset with an arbitrary pattern of missing data. We also extend the model to the case with a serially correlated idiosyncratic component. The framework allows us to handle efficiently and in an automatic manner sets of indicators characterized by different publication delays, frequencies and sample lengths. This can be relevant, for example, for young economies for which many indicators have been compiled only recently. We evaluate the methodology in a Monte Carlo experiment and we apply it to nowcasting of the euro area gross domestic product. Copyright © 2012 John Wiley & Sons, Ltd. 相似文献
110.
Model uncertainty and efficiency measurement in stochastic frontier analysis with generalized errors
Journal of Productivity Analysis - Advanced efficiency measurement methods usually fall within Stochastic Frontier Analysis (SFA), Data Envelopment Analysis (DEA), or their derivatives. Although... 相似文献