I'll add that companies have two incentives to favor cash: 1. Tax evasion. 2. Avoid paying the usual 3% charged by credit card issuers for each transaction. Nu

I'll add that companies have two incentives to favor cash: 1. Tax evasion. 2. Avoid paying the usual 3% charged by credit card issuers for each transaction. Number 1 is specially pervasive in developing countries.