نتایج جستجو برای: d11
تعداد نتایج: 496 فیلتر نتایج به سال:
Electrical pacing/stimulations (EP) have been widely adopted to promote the maturation of hiPSC-derived cardiomyocytes. However, there is a debate about their functions and effectiveness due non-optimized pacing conditions. Here, EP (13 V cm−1, 2 ms in width, 5 Hz frequency) on cardiac tissue beating mechanics are analyzed using digital image correlation (DIC). The tissues with without at cultu...
Deferred acceptance (DA), a widely implemented algorithm, is meant to improve allocations: under classical preferences, it induces preference-concordant rankings. However, recent evidence shows that—in both real, large-stakes applications and experiments—participants frequently play seemingly dominated, significantly costly strategies that avoid small chances of good outcomes. We show theoretic...
This paper presents a nonparametric model of interdependent preferences, where an individual’s consumption may act as an externality on the preferences of other consumers. We assume that individual price consumption data is observed for all consumers. It is known that the general consumption model with externalities imposes few restrictions on the observed data, where the consistency requiremen...
In a simple conceptual framework, we organize a multitude of phenomena related to the (mis)prediction of utility. Consequences in terms of distorted choices and lower wellbeing emerge if people have to trade-off between alternatives that are characterized by attributes satisfying extrinsic desires and alternatives serving intrinsic needs. Thereby the neglect of asymmetries in adaptation is prop...
This paper shows that in situations in which the preferences of multiple selves are aggregated into a collective decision, even if the researcher has a fully specified theory of how preferences get aggregated, there are typically no testable implications of the theory unless there is an a priori restriction on the number of selves. This result has implications in both interpersonal and intraper...
Motivated by the extensive evidence about the relevance of status quo bias both in experiments and in real markets, we study this phenomenon from a decisiontheoretic prospective, focusing on the case of preferences under uncertainty. We develop an axiomatic framework that takes as a primitive the preferences of the agent for each possible status quo option, and provide a characterization accord...
We examine the consumption and portfolio decisions of an agent with Friedman-Savage type period utility in continuous time.We find the FriedmanSavage consumer does not gamble, but will aggressively invest in risky activities for wealth levels that support a minimum subsistence level of consumption. As the market premium of risk approaches zero, the agent becomes infinitely aggressive for these ...
We introduce the concept of a conditional small world event domain—an extension of Savage’s [The Foundations of Statistics, Wiley, NewYork, 1954] notion of a ‘small world’—as a self-contained collection of comparable events. Under weak behavioral conditions we demonstrate probabilistic sophistication in any small world event domain without relying on monotonicity or continuity. Probabilistic so...
Ofer H. Azar* Department of Economics Northwestern University June 2003 Abstract The paper presents a model of the evolution of social norms. When a norm is costly to follow and people do not derive benefits from following it except for avoiding social disapproval, the norm erodes over time. Tip percentages, however, increased over the years, suggesting that people derive benefits from tipping,...
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