A large portion of Macroeconomic and Financial research is built upon classical applications of Linear Algebra (such as regression analysis) and Stochastic Calculus (such as valuation models). As a result, most Macroeconomic and Financial research has inherited a focus on geometric locations...

Based on an application in forestry, we study the dense k-subgraph problem: Given a parameter k∈N and an undirected weighted graph G, the task is to find a subgraph of G with k vertices such that the sum of the weights of the induced edges is maximized. The problem is well-known to be NP-hard...

A new class of discrete random fields designed for quick simulation and covariance inference under inhomogeneous conditions is introduced and studied. Simulation of these correlated fields can be done in a single pass instead of relying on multi-pass convergent methods like the Gibbs Sampler or...

This article reevaluates the impulse response functions (IRFs) to a monetary policy shock of the structural vector autoregression (SVAR). Identifying restrictions are specified and justified based on empirical evidence,i.e., conditional independence relations of variables, which is an important...

This paper presents a graph-theoretic analysis for supporting the evaluation of alternative fixed-route public transport development plans in metropolitan areas. Several indicators grounded on the theory of graphs and network science are suggested and calculated for evaluating prospective...

The price puzzle, an increase in the price level associated with a contractionary monetary shock, is investigated in a rich, 12-variable SVAR in which various factors that have been mooted as solutions are considered jointly. SVARs for the pre-1980 and post-1990 periods are identified...