نتایج جستجو برای: comparison
تعداد نتایج: 603846 فیلتر نتایج به سال:
This article examines a model wherein firms first advertise their existence to consumers and, in the two following periods, compete with uniform pricing and then with behaviour-based price discrimination. I show that allowing firms to price discriminate can restore symmetry in equilibrium advertising decisions. I also establish that price discrimination increases (resp. decreases) profits and t...
We prove a version of Yau’s Schwarz Lemma for general almost-complex manifolds equipped with almost-Hermitian metrics. This requires an extension to this setting of the Laplacian comparison theorem. As an application we show that the product of two almost-complex manifolds does not admit any complete almost-Hermitian metric with bisectional curvature bounded between two negative constants that ...
We use experimental methods to demonstrate the anti-competitive potential of price matching guarantees in both symmetric and asymmetric cost duopolies. Our findings establish that when costs are symmetric, price-matching guarantees significantly increase market prices. In markets with cost asymmetries, guaranteed prices remain high relative to prices without the use of guarantees, but the overa...
We describe a programming tutor framework that consists of two configurable components, a guided-planning component and an assisted-coding component that offers task relevant automatically-generated hints on demand to students. We evaluate the effectiveness of the new integrated planning and coding environment by comparing it to three other tutor conditions: planning-only, coding-only, and plan...
A new implementation for minimally redundant radix-4 floating-point SRT division/square-root (division/sqrt) with the recurrence in the signed-digit format is introduced. The implementation is developed based on the comparison multiples idea. In the proposed approach, the magnitude of the quotient (root) digit is calculated by comparing the truncated partial remainder with 2 limited precision m...
We investigate the implications of the new price information in the latest International Comparison Program (ICP) survey for evaluating the year 2005 exchange rate misalignment estimates. A decomposition exercise reveals that the misalignment revisions are substantially affected by the ICP price updates. Two measurement-related and four economic factors are used to explain the differences in mi...
In knowledge work, different types of collaboration can be distinguished. Because of close relationships between these collaboration types, it is necessary to support them together in an integrated collaboration environment. Using case studies, in this paper, the authors describe various types of collaboration practice and demonstrate the necessity of their integrated support. Based on this wor...
This paper deals with the measurement of e¢ciency di¤erences among countries within a federation. The key tool is the use of a suitable interpretation of the non-substitution theorem in order to get a natural technological standard. Two alternative indices are proposed. One provides a structural productivity measure, independent of consumption and prices. The other consists of a price index ass...
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