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排序方式: 共有654条查询结果,搜索用时 484 毫秒
81.
Raúl G. Paz 《Journal of Agrarian Change》2020,20(4):562-578
The presence of agricultural holdings with undefined boundaries (AHUBs) and their heterogeneous geographical distribution questions the supposed hegemony of agribusiness in Argentina. Given the lack of defined boundaries, these holdings generate a communal culture among dwellers, which is reflected in both the strategies of the use of commons and the initiatives for the defence of land in the conflicts between peasants and entrepreneurs. This article describes two counter‐enclosure experiences that were generated and have developed on the bedrock of AHUBs and a communal matrix. Those defence strategies are employed by families that possess the land but have not title to it, being a defence tactic against attempts of eviction. AHUB not only is a new census category that allows us to enhance our knowledge of the rural world but also proposes modes of production that differ from those of the capitalist model, showing possible counter‐hegemonic development alternatives that arise from the practices used in these holdings. 相似文献
82.
83.
Hülya Saygılı 《The World Economy》2020,43(7):2007-2031
This study investigates under which circumstances trade has impact on inflation dynamics by examining the independent effects of trade intensity, intra-industry trade and trade on value added. Trade in goods is decomposed into consumption (final) goods and intermediate inputs to deepen the assessment of the role of the globalisation of production activities on inflation dynamics. Open-economy new Keynesian Phillips curve (NKPC) analyses suggest that inflation is sensitive to domestic factors and that the relevance of external factors changes with respect to the nature of trade, country groups and time. Vertical intra-industry trade in intermediate inputs and value-added trade play important role, whereas final goods trade has no statistically significant effect on inflation dynamics. 相似文献
84.
Adél Bosch Steven F. Koch 《The South African journal of economics. Suid-afrikaanse tydskrif vir ekonomie》2020,88(2):145-173
This paper considers the extent to which South African households have deleveraged, since the global financial crisis of 2007/2008. We extend the official South African Reserve Bank business cycle methodology to date financial cycles, from which we identify the peaks and troughs of the South African financial cycle going back to 1966. Our composite financial cycle index peaks in April 1974, January 1984 and May 2007; it has bottomed out in July 1979 and February 1999. Thus, we still await the trough. We further compare and contrast the deleveraging process in the current downward phase to the experiences from previous financial cycles. We find that the average period of the financial cycle in South Africa is much longer (approximately 17.3 years) than that of the business cycle (approximately 5.8 years), and that deleveraging has not yet matched the degree of deleveraging seen in previous downward phases. Our results suggest that further deleveraging is necessary, before we can expect to turn the financial corner. 相似文献
85.
Per Krusell Toshihiko Mukoyama Richard Rogerson Ayegül ahin 《Journal of Monetary Economics》2008,55(5):961-979
We study the impact of tax and transfer programs on steady-state allocations in a model with search frictions, an operative labor supply margin, and incomplete markets. In a benchmark model that has indivisible labor and incomplete markets but no trading frictions we show that the aggregate effects of taxes are identical to those in the economy with employment lotteries, though individual employment and asset dynamics can be different. The effect of frictions on the response of aggregate hours to a permanent tax change is highly nonlinear. There is considerable scope for substitution between “voluntary” and “frictional” nonemployment in some situations. 相似文献
86.
Umut Kılınç 《Open Economies Review》2018,29(5):953-980
Empirical evidence suggests that exporter firms tend to charge higher markups than non-exporters due to trade barriers. The exporters’ markup premium, however, may disappear in a special case, namely when the home country is small relative to its trade partners and trade barriers are low. This can be because competition is more intense in the large export destination than in the small home country, so that firms are able to set higher markups for locally sold products but not for exports. This paper provides empirical evidence on the validity of this special case by estimating markups for firms in Luxembourg who generally export to larger countries. The estimated negative markup premium for exporters has important implications for the productivity measurement. In a sufficiently small open economy, exporters’ productivity may be biased downward, when the firm-level markup variation is not controlled for in the productivity estimation. The bias in the productivity estimates further leads to the inaccurate conclusion that openness to international trade lowers allocative efficiency. 相似文献
87.
Sammy Saab Hélène Parisé Suchin Virabhak Steven E. Marx Yuri Sanchez Gonzalez 《Journal of medical economics》2016,19(8):795-805
Objective: This study compared the cost-effectiveness of direct-acting antiviral therapies currently recommended for treating genotypes (GT) 1 and 4 chronic hepatitis C (CHC) patients in the US.Methods: A cost-effectiveness analysis of treatments for CHC from a US payer’s perspective over a lifelong time horizon was performed. A Markov model based on the natural history of CHC was used for a population that included treatment-naïve and -experienced patients. Treatment alternatives considered for GT1 included ombitasvir/paritaprevir/ritonavir?+?dasabuvir?±?ribavirin (3D?±?R), sofosbuvir?+?ledipasvir (SOF/LDV), sofosbuvir?+?simeprevir (SOF?+?SMV), simeprevir?+?pegylated interferon/ribavirin (SMV?+?PR) and no treatment (NT). For GT4 treatments, ombitasvir/paritaprevir/ritonavir?+?ribavirin (2D?+?R), SOF/LDV and NT were compared. Transition probabilities, utilities and costs were obtained from published literature. Outcomes included rates of compensated cirrhosis (CC), decompensated cirrhosis (DCC), hepatocellular carcinoma (HCC) and liver-related death (LrD), total costs, life-years and quality-adjusted life-years (QALYs). Costs and QALYs were used to calculate incremental cost-effectiveness ratios.Results: In GT1 patients, 3D?±?R and SOF-containing regimens have similar long-term outcomes; 3D?±?R had the lowest lifetime risks of all liver disease outcomes: CC =?30.2%, DCC = 5.0?%, HCC = 6.8%, LT =?1.9% and LrD =?9.2%. In GT1 patients, 3D?±?R had the lowest cost and the highest QALYs. As a result, 3D?±?R dominated these treatment options. In GT4 patients, 2D?+?R had lower rates of liver morbidity and mortality, lower cost and more QALYs than SOF/LDV and NT.Limitations: While the results are based on input values, which were obtained from a variety of heterogeneous sources—including clinical trials, the findings were robust across a plausible range of input values, as demonstrated in probabilistic sensitivity analyses.Conclusions: Among currently recommended treatments for GT1 and GT4 in the US, 3D?±?R (for GT1) and 2D?+?R (for GT4) have a favorable cost-effectiveness profile. 相似文献
88.
Oya Altınkılıç Vadim S. Balashov Robert S. Hansen 《Journal of Accounting and Economics》2019,67(1):98-119
We assess investment banks’ influence over the agreement between their analysts’ research behavior and their clients’ interests, in the post-reform era. Competing banks discipline their analysts with worse career outcomes for producing biased reports, issuing shirking reports, and for involvement in the earnings guidance game, showing meaningful monitoring of their analysts. Highly reputable banks provide more monitoring discipline of their analysts and bonding of their moral hazard than other banks. The findings agree with the banks taking responsibility for aligning analysts’ behavior with clients’ interests. 相似文献
89.
In this paper, we propose a methodology for pricing basket options in the multivariate Variance Gamma model introduced in Luciano and Schoutens [Quant. Finance 6(5), 385–402]. The stock prices composing the basket are modelled by time-changed geometric Brownian motions with a common Gamma subordinator. Using the additivity property of comonotonic stop-loss premiums together with Gauss-Laguerre polynomials, we express the basket option price as a linear combination of Black & Scholes prices. Furthermore, our new basket option pricing formula enables us to calibrate the multivariate VG model in a fast way. As an illustration, we show that even in the constrained situation where the pairwise correlations between the Brownian motions are assumed to be equal, the multivariate VG model can closely match the observed Dow Jones index options. 相似文献
90.
The authors extend prior literature by examining, in two distinct field settings, smallest meaningful pay increases (SMPIs) in terms of magnitude, behavioral intention, and affective reactions. In Study 1, a two‐wave study of 177 employees of a university medical center in the United States, the authors find stable thresholds of about 5.0 percent for positive reactions to pay increases (magnitude [5.4 percent], behavioral intentions [4.2 percent], and affective reactions [5.6 percent]). In Study 2, a sample of 495 university employees in Finland, the authors also find stable but slightly higher thresholds of about 8 percent for behavioral intentions (8.4 percent) and positive affective reactions (7.2 percent) to pay increases. They also find threshold effects of ?5.7 percent for behavioral intentions and ?5.8 percent for negative affective reactions in response to restricted future pay increases levied in the transition to a new pay system. Discussion of the results centers on pay raise administration and future research regarding implied and direct pay reductions. © 2015 Wiley Periodicals, Inc. 相似文献