Gini in the bottle

Letting the Gini out of the bottle? Challenges facing the relative income hypothesis.

The relative income hypothesis interprets statistical associations between income inequality and average health status at the population level, as evidence that income inequality has a deleterious psychosocial effect on individual health. An alternative explanation is that these, population-level associations, are statistical artefacts of curvilinear, individual-level relationships between inco...

‘Solomon’s Bottle’: a Glass Bottle in Tehran and Abbasid Glass Floors in Mesopotamia and the Levant

The article discusses a scarcely known medium of architectural decoration in Abbasid palaces, transparent glass tiles, and reports on the discovery of the largest known assemblage of fragments of such tiles in Tehran, in a bottle of the Glassware and Ceramics Museum of Iran.  The first part deals with the visual and material aspects of the use of transparent glass tiles, based on archaeologica...

The Gini Index of Speech

In which representation is speech most sparse? Time-scale? Time-frequency? Which window generator and length should be used to create the sparsest decomposition? To answer these questions, we propose the Gini index, which is twice the area between the Lorenz curve and the 45 degree line, as a measure of signal sparsity. The Gini index, introduced in 1912, is one of the most common measures of i...

The effects of microcredit on the Gini coefficient in the northern provinces of the country

Nowadays in most countries, granting microcredits has been put forward as a suitable strategy for creating new job opportunities, fighting poverty, and enabling people in low-income regions; some countries have acquired significant success in this issue. This study deals with the effects  Some of  macroeconomic variables such as “ inflation rate , employment rate, GDP per capita rate, family’s...

The Sandman in a Bottle