This article studies a large class of averaging aggregation functions based on minimizing a distance from the vector of inputs, or equivalently, minimizing a penalty imposed for deviations of individual inputs from the aggregated value. We provide a systematization of various ty es of penalty based aggregation functions, and show how many special cases arise as the result. We show how new aggre...

The goal of our project was to predict the average spread of a loan given its other features and analyze which features have greater effects on its riskiness. In addition, given aggregate data on the number of defaults by property type, we examined whether those property types with higher default rates also had higher average spreads. The hope is that we will be able to predict the riskiness an...

Consider two sets of spatial objects R and S, where each object is assigned a score (e.g., ranking). Given a spatial distance threshold and an integer k, the top-k spatial distance join (k-SDJ) returns the k pairs of objects, which have the highest combined score (based on an aggregate function γ) among all object pairs in R×S which have spatial distance at most . Despite the practical applicat...

We accomplish two tasks to characterize aggregate price stickiness in this paper. First, we endogenize β, the fraction of the firms keeping their price unchanged following a money supply shock in the near-rationality model (Akerlof and Yellen, 1985) by introducing a distribution of price-adjustment barriers among the firms into the near-rationality model. Second, as β can be considered an indic...

Using aggregate data from the Annual Survey of Industries, we analyze profitability in India’s organized manufacturing sector from 1982-83 to 2012-13. Over the whole period of analysis, the rate of profit grew at about 1 percent per annum, primarily driven by a rising share of profits. We use structural break tests to identify medium and short run regimes. We find two medium run regimes, one of...

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A macroeconomic examination of unemployment obscures much of the rich detail that underpins the labour market. Nevertheless, it enables us to analyse the broad trends that have occurred over the past twenty years on both the demand and supply sides of the labour market. In the next section we examine these trends at an aggregate level. The aggregate unemployment rate has risen as a result of a ...

Recent pioneer papers of Sen (1981, 1985, 1992) have emphasized that poverty is a multidimensional issue. Hence, it should be seen in relation to the lack of important "basic needs" or "basic capabilities." This recommendation has motivated many researchers to focus on the way multidimensional aspect of poverty should be measured and aggregated. This survey synthesizes the contribution of the m...

The theory of belief revision and merging has recently been applied to judgement aggregation. In this paper I argue that judgements are best aggregated by merging the evidence on which they are based, rather than by directly merging the judgements themselves. This leads to a threestep strategy for judgement aggregation. First, merge the evidence bases of the various agents using some method of ...

Our objective here is to obtain quality-fused values from multiple sources of probabilistic distributions, where quality is related to the lack of uncertainty in the fused value and the use of credible sources. We first introduce a vector representation for a probability distribution. With the aid of the Gini formulation of entropy, we show how the norm of the vector provides a measure of the c...