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11.
This study develops an R&D-based growth model with vertical and horizontal innovation to shed some light on the current debate on whether patent protection stimulates or stifles innovation. We analyze the effects of patent protection in the form of blocking patents. We show that patent protection changes the direction of innovation by having asymmetric effects on vertical innovation (i.e., quality improvement) and horizontal innovation (i.e., variety expansion). Calibrating the model and simulating transition dynamics, we find that strengthening the effect of blocking patents stifles vertical innovation and decreases economic growth but increases social welfare due to an increase in horizontal innovation. In light of this finding, we argue that in order to properly analyze the growth and welfare implications of patents, it is important to consider their often neglected compositional effects on vertical and horizontal innovation. 相似文献
12.
Using harmonized household survey data, we analyze long‐run social mobility in the United States, the United Kingdom, and Germany, and test recent theories of multigenerational persistence of socioeconomic status. In this country comparison setting, we find evidence against a universal law of social mobility. Our results show that the long‐run persistence of socioeconomic status and the validity of a first‐order Markov chain in the intergenerational transmission of human capital is country‐specific. Furthermore, we find that the direct and independent effect of grandparents' social status on grandchildren's status tends to vary by gender and institutional context. 相似文献
13.
Guido Cozzi 《Review of Economic Dynamics》2004,7(4):474-915
Introducing locally negatively interdependent preferences into a simple AK growth model easily explains the often observed insignificant or positive correlation between distortionary redistribution and growth rates. Positive capital income taxes and lump sum transfers are harmful for growth, but people rationally vote for them in order to reduce “rat race” overaccumulation. A “neutrality proposition” holds if the pivotal voter is the mean voter, as in a representative agent case, but it fails if the pivotal voter is poorer than the average citizen. 相似文献
14.
Forecasting monthly industrial production in real-time: from single equations to factor-based models
The aim of this paper is to analyze the performance of alternative forecasting methods to predict the index of industrial
production in Italy from 1 to 3 months ahead. We use twelve different models, from simple ARIMA to dynamic factor models exploiting
the timely information of up to 110 short-term indicators, both qualitative and quantitative. This allows to assess the relevance
for the forecasting practice of alternative combinations of types of data (real-time and latest available), estimation methods
and periods. Out-of-sample predictive ability tests stress the relevance of more indicators in disaggregate models over sample
periods covering a complete business cycle (about 7 years in Italy). Our findings downgrade the emphasis on both the estimation
method and data revision issues. In line with the classical “average puzzle”, the use of simple averages of alternative forecasts
often improves the predictive ability of their single components, mainly over short horizons. Finally, selected indicators
and factor-based models always perform significantly better than ARIMA models, suggesting that the short-run indicator signal
always dominates the noise component. On this regard, selected indicators models can further increase the amount of signal
extracted to improve up to 30–40% the short-run predictive ability of factor-based models and to forecast-encompass them. 相似文献
15.
Gianluigi Guido M. Irene Prete Alessandro M. Peluso R. Christian Maloumby-Baka Carolina Buffa 《International Review of Economics》2010,57(1):79-102
The aim of the present study is to examine the role of ethical dimensions and product personality in the purchasing intention of organic food products. The Prospect method (Caprara et al. in Test Psicomet Metodol 7(3–4):113–128, 2000), which integrates the Five factors model of personality (cf. Digman in Annu Rev Psychol 41(1):417–440, 1990) and the Theory of planned behavior (Ajzen in Organ Behav Hum Decis Process, 50(2):179–211, 1991) extended to an ethical dimension, was employed, by using a Structural Equation Modeling approach. Results showed that moral norms—i.e., personal beliefs regarding what is right or wrong (Parker et al. in Br J Soc Psychol, 34(2):127–137, 1995)—can be considered the main motivator of purchasing intention, and they are, in turn, affected by subjective norms and product personality traits of Naturalness and Authenticity. Marketing implications for firms operating in the organic food industry are discussed, in their intent to shift from a “niche” market to a broader diffusion of these products. 相似文献
16.
The existence of parallel economies that operate in the shadows of informality within most Latin American countries is widely recognized by the economic literature. However, its composition, size and effects on economic growth are still open questions. In this paper, we estimate the size and the evolution of the Mexican informal economy in the last three decades using a vector error correction model. In addition to the standard explanatory variables traditionally used in the currency demand approach, we include remittances given their relevance in the Mexican economic system. The results indicate that informality prior to the late 1980s accounted for at least two thirds of GDP, while stabilizing around one third of GDP in the last decade. Furthermore, our estimates provide evidence of a positive long-run relationship between informality and economic growth. 相似文献
17.
Guido Candela Massimiliano Castellani Roberto Dieci 《International Review of Economics》2008,55(3):285-311
In this paper we study a particular case of “multiple” externalities associated to the production of a good/activity, whose
external effects can change from positive to negative depending on the level of output (intersecting externalities). To analyze their impact on the public policy we propose a very simple two-agent partial equilibrium model in the technological
context of externalities. In a static framework, the centralized solution always implies an optimal policy, which may consist
of taxation or subsidization depending on the individual optimum and on the technology parameters. In a dynamic model with
local knowledge of the efficiency function and instantaneous output adjustments, such an optimal policy can be structurally
stable or unstable. In the latter case, under small changes of the parameters the policy may switch from low taxation/subsidization
to high taxation/subsidization or vice versa, or even jump discontinuously from taxation to subsidization or vice versa. Furthermore, the decentralized solution based upon “tradable rights” can be economically equivalent to the centralized solution
in the form of taxation policy but the two solutions may be not politically equivalent.
相似文献
Roberto DieciEmail: |
18.
Guido Starosta 《New Political Economy》2013,18(4):543-563
This article aims to show that the Marxian ‘law of value’ can provide solid foundations for the comprehension of the constitution and dynamics of Global Value Chains (GVC). It offers an explanation of the social processes of ‘value creation and capture’ within a chain based on the system-wide motion of global capital accumulation. A firm connection is thus established between the particular dynamics internal to each industry and the general dynamics of the ‘system as a whole’, which is, precisely, where the greatest weakness of the GVC approach lies. Furthermore, the usefulness of those general theoretical insights is then shown through a more empirical discussion of recent transformations in the composition and governance structure of GVC resulting from two interrelated processes: the tendency for a growing de-linking between innovation and manufacturing and the rise of highly concentrated global contractors. These phenomena have paradigmatically developed in the electronics industry, giving rise to the formation of the so-called modular or turnkey production networks. The discussion therefore focuses on that particular industrial sector. 相似文献
19.
Andrea Tomo Gianluigi Mangia Stefano Consiglio Paolo Canonico 《Technology Analysis & Strategic Management》2013,25(9):1118-1136
ABSTRACTThe current paper offers a new conceptual model to understanding innovation processes in professional service firms, to make hidden relationships more explicit and to find out what are the issues still unexplored. The paper employs a systematic literature review, and draws upon original categorizations of extant literature, to identify main processes for each category of PSFs. It unveils connections among a wide range of factors setting a conceptual model for innovation pathways and highlighting neglected questions relevant from both the theoretical and the practical perspectives. 相似文献
20.
Gianluigi Giorgioni 《Applied economics》2013,45(8):1077-1082
This aim of this paper is to give a contribution to the debate on whether output-inflation trade-offs are negatively influenced by the mean of inflation (as postulated by new-Keynesians) or by the variability of inflation (as postulated by neo-classical economists). To remove any concerns about the arbitrariness of the choice of the sample, the analysis will focus on a group of countries belonging to the same currency union, the Franc Zone. The results do not provide conclusive evidence on either theory as it was found that there existed a negative relation between the output-inflation trade-offs and the mean of inflation on the one hand, and the variability of inflation, on the other. 相似文献