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61.
The literature on platforms emphasizes the balance between supply and demand as precursors to network expansion, strategy development and strategy sustainability. This study questions this logic through the exploratory approach of a public platform based on social returns. Results demonstrate that when an institutional force supports a platform concerned with diffuse and collective interests, it is possible that the strategy could sustain and develop without the balance of its forces. The study contributes to the strategic platform literature by pointing out the distinct aspects of social platforms and underlining the support generated by institutions. 相似文献
62.
Sharon Leal 《心理学、犯罪与法律》2013,19(4):349-357
Abstract In the present experiment we examined whether eye blinks could discriminate between guilty and innocent examinees in a Guilty Knowledge Test (GKT). Based on the assumption that guilty examinees would experience more cognitive load when responding to the key items than to the control items, we hypothesized that they would display fewer eye blinks during the key items than during the control items. For innocent examinees, responding to the key and control items should be equally demanding, and no differences in eye blinks between key and control items were expected. A total of 26 participants took part in an experiment where 13 guilty examinees committed a mock theft (of an exam paper) and the remaining 13 innocent examinees went on with their normal business. All participants underwent a GKT whereby their eye blinks were measured. Both guilty and innocent examinees displayed the pattern of eye blinks that we predicted. The implications of the findings are discussed. 相似文献
63.
PA Martínez-Carpio AF Del Campillo MJ Leal N Lleopart MT Marrón MA Trelles 《Forensic science international》2012,220(1-3):e23-e28
Some cosmetic products manufactured in Korea for the treatment of eczema, seborrhea and psoriasis have been suspected to contain anti-inflammatory corticosteroids such as prednisolone, hydrocortisone, betamethasone, dexamethasone and triamcinolone acetonide without these ingredients being indicated on the label. Due to their severe side effects such as permenent skin atopy, these corticosteroids have to be monitored in cosmetic products from a forensic point of view. Many cosmetic product samples (N=65) have been collected from both local and online markets in Korea. The corticosteroid content of these samples was analyzed by LC-MS/MS with diagnostic ions (m/z). Linearity was studied with 0.1-10 μg/mL range in all corticosteroids. Good correlation coefficients (r(2)≥0.997) were found and the limits of quantification were 4.68-7.97 ng/mL for each of the corticosteroids. At three different concentrations spanning the linear dynamic ranges, mean recoveries were 97.2-113.5%and precisions (RSD) for intra-day and inter-day analysis were less than 8.9%. Also, accuracy (Bias %) was less than 11.8%. The results showed that between 0.76-0.94 μg/g levels of prednisolone were detected in four cosmetic products and triamcinolone acetonidewas detected with a concentration in the range of 11.5-272 μg/g in nine samples. This fact reveals that some manufacturers have arbitrarily added these corticosteroids in their cosmetic products without indicating them on the label. Thus, these cosmetic products have to be monitored and if proven illegal preparations removed from the market. 相似文献
64.
Gerardo Esquivel Felipe Larraín & Jeffrey D. Sachs 《Bulletin of Latin American research》2001,20(1):1-28
This paper reviews the foreign debt burden in Central America with special emphasis on Honduras and Nicaragua. These countries have a large debt overhang and they have lagged behind the rest of the region in terms of economic growth. Our work suggests that Honduras and Nicaragua require alleviation of their foreign debt as a prerequisite to achieve sustained economic growth. The paper also reviews the initiative aimed at reducing the debt burden of the highly indebted poor countries (the HIPC Initiative) and evaluates alternative scenarios of debt reduction for both Honduras and Nicaragua. It ends with a critical assessment of the implications of the fiscal and openness criteria established in the HIPC Initiative. 相似文献
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Stanley Matthew L. Henne Paul Yang Brenda W. De Brigard Felipe 《Political Behavior》2020,42(3):891-913
Political Behavior - People seem more divided than ever before over social and political issues, entrenched in their existing beliefs and unwilling to change them. Empirical research on mechanisms... 相似文献
68.
Maria Angélica Bautista Felipe González Luis R. Martínez Pablo Muñoz Mounu Prem 《American journal of political science》2023,67(1):101-118
State repression is a prominent feature of nondemocracies, but its effectiveness in quieting dissent and fostering regime survival remains unclear. We exploit the location of military bases before the coup that brought Augusto Pinochet to power in Chile in 1973, which is uncorrelated to precoup electoral outcomes, and show that counties near these bases experienced more killings and forced disappearances at the hands of the government during the dictatorship. Our main result is that residents of counties close to military bases both registered to vote and voted “No” to Pinochet's continuation in power at higher rates in the crucial 1988 plebiscite that bolstered the democratic transition. Potential mechanisms include informational frictions on the intensity of repression in counties far from bases and shifts in preferences caused by increased proximity to the events. Election outcomes after democratization show no lasting change in political preferences. 相似文献
69.
Vrij A Leal S Granhag PA Mann S Fisher RP Hillman J Sperry K 《Law and human behavior》2009,33(2):159-166
We hypothesised that the responses of pairs of liars would correspond less with each other than would responses of pairs of
truth tellers, but only when the responses are given to unanticipated questions. Liars and truth tellers were interviewed
individually about having had lunch together in a restaurant. The interviewer asked typical opening questions which we expected
the liars to anticipate, followed by questions about spatial and/or temporal information which we expected suspects not to
anticipate, and also a request to draw the layout of the restaurant. The results supported the hypothesis, and based on correspondence
in responses to the unanticipated questions, up to 80% of liars and truth tellers could be correctly classified, particularly
when assessing drawings.
相似文献
Aldert VrijEmail: |
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