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61.
62.
We develop an analytical framework of peer interaction in the sharing economy that incorporates reciprocity, the tendency to increase (decrease) effort in response to others’ increased (decreased) effort. In our model, buyers (sellers) can induce sellers (buyers) to exert more effort by behaving well themselves. We demonstrate that this joint increased effort can improve the utility of both parties and influence the market equilibrium. We also show that bilateral reputation systems, which allow both buyers and sellers to review each other, are more responsive to reciprocity than unilateral reputation systems. By rewarding reciprocal behavior, bilateral reputation systems generate trust among strangers and informally regulate their behavior. We test the predictions of our model using data from Airbnb, a popular peer-to-peer accommodation platform. We show that Airbnb hosts that are more reciprocal receive higher ratings and that higher rated hosts can increase their prices. Therefore, reciprocity affects equilibrium prices on Airbnb through its impact on ratings, as predicted by our analytical framework. 相似文献
63.
The stochastic patterns of firm growth are examined with the use of a data set of 4,975 firms surviving in the Greek services
sector over the 1995–2001 period. The analysis first takes into account the intensity of information and communication technologies
(ICT) in the services industries and then, through a system dynamic panel data technique, investigates how initial size and
past growth influence firm growth. The classification of industries as three ICT-related groups provides interesting results
at both the aggregated group level and the disaggregated industrial level. In general, Gibrat’s Law is accepted for firms
in ICT intensive industries, while it is rejected in non-ICT industries. 相似文献
64.
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66.
Sources of business-cycle volatility: An exploratory study on a sample of OECD countries 总被引:1,自引:0,他引:1
Georgios KarrasFrank Song 《Journal of Macroeconomics》1996,18(4):621-637
This paper investigates the sources of output volatility in twenty-four OECD economies using annual data from the 1960 to 1990 period. The paper finds that output volatility is positively related to the volatility of the money supply and the variance of the Solow residual, but negatively related to government size. The degree of openness of the economy and the exchange rate flexibility are also positively related to the size of business fluctuations, while price flexibility and industrial structure have no effect on output volatility. These results shed some light on the issue of the sources of business cycles. 相似文献
67.
This paper examines the macroeconomic costs and benefits of adopting a common currency for 13 Middle Eastern countries. Economic
theory suggests that the main benefit is enhanced price stability, while the main cost is higher business-cycle volatility
if the member country’s output is not sufficiently correlated with the area’s, as a whole. Using data from 1980–2005, the
paper finds that the estimated cost and benefit measures exhibit substantial variability across the countries and are sometimes
positively correlated. Moreover, focusing on the results for the last decade, it seems that many Middle Eastern countries
(such as Bahrain, Kuwait, Libya, Oman, Qatar, Saudi Arabia, Syria and United Arab Emirates) have achieved remarkable convergence
both in business-cycle synchronization and inflation outcomes.
相似文献
Georgios KarrasEmail: |
68.
Georgios ChortareasBoonlert Jitmaneeroj Andrew Wood 《Journal of International Financial Markets, Institutions & Money》2012,22(1):209-231
We find evidence of heterogeneity and irrationality among professional forecasts for three-month inter-bank rates and ten-year gilt yields at both short and long forecast horizons over the period 1989-2006. The majority of biased forecasts overestimate the future spot rate, consistent with slow adjustment to the declining trend in inflation and interest rates. Furthermore, we produce evidence indicating that both monetary policy actions and elements of communication policy have information content regarding the rationality of forecasts. Changes in official bank rates and disagreement among the Monetary Policy Committee influence the rationality of forecasts. The publication of inflation reports has no effect. 相似文献
69.
Professor Georgios P. Kouretas 《International economic journal》2013,27(3):109-128
This paper examines the Purchasing Power Parity theory from a long-run perspective in the presence of a parallel or 'black' market for US dollars in Greece using monthly data for the recent float. Johansen's FIML multivariate cointegration techniques is applied. Recent development associated with this procedure are considered. First, a formal test developed by Paruolo (1996) for the presence of I(2) and I(1) components in a ultivariate context is applied along with the estimation of the roots of the companion matrix for the correct determination of the cointegration rank. Second, given that two significant cointegration vectors were found, structural restrictions identifying the long-run relations of interest are specified as proposed by Johansen and Juselius (1994) and Johansen (1995b). Thus, the joint structure of PPP and long-run informational market efficiency could not be rejected. Furthermore, estimation of the error correction terms shows that the black market rate adjusts to eliminate any deviation from long-run PPP. Finally, stability tests proposed by Hansen and Johansen (1993) are applied and it is shown that the dimension of the cointegration space is simple dependent while the estimated coefficients do not exhibit instability in recursive estimations. [F31 F33] 相似文献
70.
Panayiotis F Diamandis Dimitris A. Georgoutsos Georgios.P Kouretas 《International economic journal》2013,27(4):83-97
Using data on the Canadian-U.S. dollar rate, we reexamine the monetary model of exchange-rate determination for the recent float in three ways. First, we test its long-run validity, using Johansen's multivariate cointegration techniques. Second, we examine and test the model for the presence of speculative bubble, and finally we test for parameter stability of Johansen's results using the Hanse-Johansen recursive tests. [F31] 相似文献