In developing and transition economies as much as half the labor force works in the informal sector (or “shadow economy”). Informal firms congest infrastructure and other public services but do not contribute the taxes needed to finance them. Informal workers are unprotected against such negative shocks as ill-health, but for certain groups there can be scarce opportunities to enter the formal sector. Reducing informality requires better enforcement, more reasonable regulation, and economic growth.
Informal entrepreneurship is a source of upward mobility.
Informality is a rational response to excessive regulation and low institutional quality.
In some cases, informality is an escape from extortion by corrupt officials and inspectors.
Informal employment can be the opportunity of last resort for excluded workers.
Workers might be locked in to informal jobs.
Informal enterprises free-ride on public services and undercut formal competitors.
Informal workers are largely unprotected from the risks of ill-health, old age, maternity, and so on.
Generalized informality can lead to severe problems for public finance.
Informal firms are suboptimally small and lack access to credit and contract enforcement.