Directed Giving: Evidence from an Inter-Household Transfer Experiment*

We investigate the determinants of giving in a lab-in-the-field experiment with large stakes. Study participants in urban Mozambique play dictator games where their counterpart is the closest person to them outside their household. Dictators share more with counterparts when they have the option of giving in kind (in the form of goods), compared to giving that must be in cash. Qualitative post-experiment responses suggest that this effect is driven by a desire to control how recipients use gifted resources. Standard economic determinants such as the rate of return to giving and the size of the endowment also affect giving, but the effects of even large changes in these determinants are significantly smaller than the effect of the in-kind option. Our results support theories of giving where the utility of givers depends on the composition (not just the level) of gift-recipient expenditures, and givers thus seek control over transferred resources.

Valores de (inter)subjetividade na análise semântica: a marcação da distância

Tese apresentada para cumprimento dos requisitos necessários à obtenção do grau de Doutor em Linguística – especialização em Linguística Portuguesa

Trans-Synaptic Signaling by Activity-Dependent Cleavage of Neuroligin-1

Throughout the brain, patterns of activity in postsynaptic neurons influence the properties of synaptic inputs. Such feedback regulation is central to neural network stability that underlies proper information processing and feature representation in the central nervous system. At the cellular level, tight coupling of presynaptic and postsynaptic function is fundamental to neural computation and synaptic plasticity. The cohort of protein complexes at the pre and postsynaptic membrane allows for tight synapse-specific segregation and integration of diverse molecular and electrical signals.(...)

Trans Lineam/De Linea: Heidegger versus Jünger sobre o nihilismo

A finalidade da investigação é inquirir o modo como o problema do nihilismo se acha concebido no confronto entre Heidegger e Jünger. Para esse efeito, toma-se como ponto de partida dois textos: por um lado, o ensaio de Jünger intitulado Über die Linie, publicado em 1949, na Festschrift dedicada a Heidegger por ocasião dos seus sessenta anos; por outro lado, a “resposta” dada por Heidegger, em 1955, no seu contributo para uma Festschrift análoga, dedicada a Jünger – “resposta” originalmente publicada com o título Über »die Linie« (e posteriormente republicada com o título Zur Seinsfrage).