نتایج جستجو برای: e30
تعداد نتایج: 238 فیلتر نتایج به سال:
The incomplete information financial economic equilibrium (IIE) literature has been growing at a growing rate since its inception in the early nineteen eighties. This paper highlights, clarifies, and examines issues and concepts essential to this equilibrium. These include: the number of state variables, irrelevance of separation theorems, unobservable productivity processes that lead to comple...
This paper examines the structural determinants of output volatility in developing countries, and especially the roles of geography and institutions. We investigate the volatility effects of market access, climate variability, the geographic predisposition to trade, and various measures of institutional quality. We find an especially important role for market access: remote countries are more l...
We analyze the impact of news (information shocks) in economies where liquidity plays a role. While we also consider news about real factors, like productivity, one motivation is that central bank announcements evidently affect markets, as taken for granted by advocates of forward guidance policy. The dynamic effects can be complicated, with information about monetary policy or real factors aff...
This note makes two comments on recent NNS models. First, it disputes the way physical capital has been introduced into these models arguing that this leads to the dubious postulate that the cost of adjusting physical capital stock is an order of magnitude lower than the cost of changing prices. Second it warns against a possible logical inconsistency whereby calibrated NNS models are implicitl...
I develop an analytical general-equilibrium model to explain economic sources of businesscycle pattern of aggregate stock market returns. With concave production functions and capital accumulation, a technology shock has a pro-cyclical direct effect and a counter-cyclical indirect effect on expected returns. The indirect effect, reflecting the “feedback” effect of consumers’ behavior on asset r...
Using simulation and analysis we show that agent-based auction-cleared automated markets can be stabilized using only completely myopic agents (without value traders), if these naı̈ve agents are provided with a price signal that reflects order book information. This demonstrates that information in the order book is extremely valuable, that prediction can be replaced by better instantaneous info...
This paper studies a two-sector New Keynesian model that captures the hump-shaped response of non-durable and durable spending to a monetary shock when non-durable prices are sticky and durable goods are flexibly priced. Based on the estimated parameters, we show that habit formation and investment adjustment costs are not sufficient to generate the gradual response of non-durable and durable s...
Mode multiplexers/demultiplexers (MUX/deMUX) are key components in mode division multiplexing. A silica waveguide MUX consisting of four cascaded directional couplers is experimentally demonstrated. The beam propagation method used the device design and optimization. Thermal oxidation, plasma-enhanced chemical vapor deposition, ultraviolet photolithography adopted fabrication. measurement resul...
Background: Pain associated with IV injection of propofol is seen in 28 to 90% of patients. A number of techniques have been tried to minimize propofol-induced pain, with variable results. We compared the efficacy of pretreatment with ephedrine and lidocaine for the prevention of propofol-induced pain. Methods: One hundred and twenty adult patients, ASA physical status I-II, undergoing electiv...
OBJECTIVE To asses the cost-effectiveness of voriconazole in comparison to conventional amphotericin B and itraconazole for the treatment of invasive aspergillosis in the Netherlands. METHODS The cost-effectiveness of voriconazole in comparison to conventional amphotericin B or itraconazole was evaluated with a decision tree model followed by a life-time Markov model, focusing on long-term su...
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