1
Abstract
2
Introduction
3
Background
3.1
Corruption in Mexico
3.2
Public Procurement in Mexico
3.2.1
Legal procedures
3.3
Compranet
4
Data Sources
4.1
Compranet
4.2
Declaranet
5
Data Pipeline
6
Feature selection and Modeling
6.1
Missing Data
6.2
Compliance with Transparency Laws
7
Graph Analysis
7.1
Suspicious Connections
7.1.1
Weighted degree centrality of bureaucrat
\(i\)
, firm
\(j\)
or RU
\(u\)
7.1.2
Concentration of bureaucrat connections
7.1.3
Concentration of firm connections
7.1.4
Distance to other agents
8
Conclusion
9
Further Steps
9.1
Expand Data Sources
9.1.1
SAT
9.1.2
CUCOPS
9.1.3
Procurement Details
9.2
Unsupervised Models
9.2.1
Compliance with Transparency Laws Index
9.2.2
Graph Analysis
9.2.3
Identification of Patterns in Provider Selection
9.2.4
Identification of Collusion within Providers
9.3
Supervised Models
9.3.1
Classification Models
9.3.2
Identification of Collusion within Providers
References
Detecting collusion in goverment procurement contracts
References