Detecting corruption in single-bidder auctions via positive-unlabelled learning

02/10/2021
by   Natalya Goryunova, et al.
0

In research and policy-making guidelines, the single-bidder rate is a commonly used proxy of corruption in public procurement used but ipso facto this is not evidence of a corrupt auction, but an uncompetitive auction. And while an uncompetitive auction could arise due to a corrupt procurer attempting to conceal the transaction, but it could also be a result of geographic isolation, monopolist presence, or other structural factors. In this paper we use positive-unlabelled classification to attempt to separate public procurement auctions in the Russian Federation into auctions that are probably fair, and those that are suspicious.

READ FULL TEXT

page 1

page 2

page 3

page 4

research
05/04/2020

The Information Content of Taster's Valuation in Tea Auctions of India

Tea auctions across India occur as an ascending open auction, conducted ...
research
09/01/2019

Assortment Auctions: A Myersonian Characterization for Markov Chain based Choice Models

We introduce the assortment auction optimization problem, defined as fol...
research
09/25/2018

Auction Theory Adaptations for Real Life Applications

We develop extensions to auction theory results that are useful in real ...
research
09/25/2018

Auction Theory Extensions for Real Life Applications

We develop extensions to auction theory results that are useful in real ...
research
09/04/2018

Maximizing net income of the auction waterfall with an abort decision tree

An online auction waterfall for an ad impression may contain auctions th...
research
08/22/2018

Clustering and Labelling Auction Fraud Data

Although shill bidding is a common auction fraud, it is however very tou...
research
12/01/2019

The Effect of Real Estate Auction Events on Mortality Rate

This study has investigated the mortality rate of parties at real estate...

Please sign up or login with your details

Forgot password? Click here to reset