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                Mirror operated in collaboration with local support


                New submissions

                [ total of 8 entries: 1-8 ]
                [ showing up to 2000 entries per page: fewer | more ]

                New submissions for Mon, 25 May 20

                [1]  arXiv:2005.11244 [pdf, other]
                Title: Cooperation in Small Groups -- an Optimal Transport Approach
                Authors: Xinyang Wang
                Comments: 56 pages, 3 figures
                Subjects: Theoretical Economics (econ.TH); Computer Science and Game Theory (cs.GT); Optimization and Control (math.OC)

                If agents cooperate only within small groups of some bounded sizes, is there a way to partition the population into small groups such that no collection of agents can do better by forming a new group? This paper revisited f-core in a transferable utility setting. By providing a new formulation to the problem, we built up a link between f-core and the transportation theory. Such a link helps us to establish an exact existence result, and a characterization result of f-core for a general class of agents, as well as some improvements in computing the f-core in the finite type case.

                [2]  arXiv:2005.11285 [pdf, ps, other]
                Title: Identifying Key Sectors in the Regional Economy: A Network Analysis Approach Using Input-Output Data
                Subjects: General Economics (econ.GN); Physics and Society (physics.soc-ph)

                By applying network analysis techniques to large input-output system, we identify key sectors in the local/regional economy. We overcome the limitations of traditional measures of centrality by using random-walk based measures, as an extension of Blochl et al. (2011). These are more appropriate to analyze very dense networks, i.e. those in which most nodes are connected to all other nodes. These measures also allow for the presence of recursive ties (loops), since these are common in economic systems (depending to the level of aggregation, most firms buy from and sell to other firms in the same industrial sector). The centrality measures we present are well suited for capturing sectoral effects missing from the usual output and employment multipliers. We also develop an R package (xtranat) for the processing of data from IMPLAN(R) models and for computing the newly developed measures.

                Cross-lists for Mon, 25 May 20

                [3]  arXiv:2005.11233 (cross-list from stat.AP) [pdf, other]
                Title: Scanner data in inflation measurement: from raw data to price indices
                Subjects: Applications (stat.AP); General Economics (econ.GN)

                Scanner data offer new opportunities for CPI or HICP calculation. They can be obtained from a~wide variety of~retailers (supermarkets, home electronics, Internet shops, etc.) and provide information at the level of~the barcode. One of~advantages of~using scanner data is the fact that they contain complete transaction information, i.e. prices and quantities for every sold item. To use scanner data, it must be carefully processed. After clearing data and unifying product names, products should be carefully classified (e.g. into COICOP 5 or below), matched, filtered and aggregated. These procedures often require creating new IT or writing custom scripts (R, Python, Mathematica, SAS, others). One of~new challenges connected with scanner data is the appropriate choice of~the index formula. In this article we present a~proposal for the implementation of~individual stages of~handling scanner data. We also point out potential problems during scanner data processing and their solutions. Finally, we compare a~large number of~price index methods based on real scanner datasets and we verify their sensitivity on adopted data filtering and aggregating methods.

                Replacements for Mon, 25 May 20

                [4]  arXiv:1905.12500 (replaced) [pdf, ps, other]
                Title: On the many-to-one strongly stable fractional matching set
                Subjects: Theoretical Economics (econ.TH)
                [5]  arXiv:1906.11293 (replaced) [pdf, other]
                Title: Empirical Process Results for Exchangeable Arrays
                Comments: main paper until page 23, then supplement. The paper supersedes our previous paper "Asymptotic results under multiway clustering"
                Subjects: Statistics Theory (math.ST); Econometrics (econ.EM)
                [6]  arXiv:2002.04734 (replaced) [pdf, ps, other]
                Title: Fast Complete Algorithm for Multiplayer Nash Equilibrium
                Authors: Sam Ganzfried
                Subjects: Computer Science and Game Theory (cs.GT); Artificial Intelligence (cs.AI); Multiagent Systems (cs.MA); Theoretical Economics (econ.TH)
                [7]  arXiv:2003.05221 (replaced) [pdf, other]
                Title: A mixture autoregressive model based on Gaussian and Student's $t$-distributions
                Authors: Savi Virolainen
                Subjects: Econometrics (econ.EM); Statistics Theory (math.ST); Methodology (stat.ME)
                [8]  arXiv:2004.01831 (replaced) [pdf]
                Title: Inside the Mind of a Stock Market Crash
                Comments: 13 pages
                Subjects: General Economics (econ.GN); General Finance (q-fin.GN)
                [ total of 8 entries: 1-8 ]
                [ showing up to 2000 entries per page: fewer | more ]