I think so. Sorry I can't cite a source, seems to be very difficult to find on the net.
http://answers.yahoo.com/question/index?qid=20091209185...
Actually, yes. Informal firms can operate in the same product or geographic markets as formal firms and therefore affect the competition level. So what can competition agencies do to address the informal sector? The OECD recently held a ...
http://blog.doingbusiness.org/travel_diary/
The heightened interest in the informal sector that is very noticeable in the early 1990s is closely linked to a complex set of factors. These are putting basic education under renewed pressure rapidly to expand, are providing a knock-on ef...
http://www.cd3wd.com/CD3WD_40/HDLHTML/EDUCRES/DEP11E/EN...
Wow! That is actually a brilliant question. The informal sector is highest in rural areas for the same reason it is so high in developing economies. There does not exist the infrastructure to maintain a formal sector that is cost-effective ...
http://answers.yahoo.com/question/index?qid=20080404091...
Not sure if you have already found these, but here are a bunch of articles from the World Bank. If the bibliographies dont help just email the authors. Here is an additional paper. And another .
http://ask.metafilter.com/133065/Where-to-find-data-on-...
The overall picture of economic development that emerges from this analysis is in some ways very similar to the traditional pre‐growth‐theory development economics, although it is related to the modern reformulations of economic growth thro...
http://krusekronicle.typepad.com/kruse_kronicle/2008/09...
Financial services to the poor are seen as a principal way to achieve goals of poverty reduction and job creation. This study explores the dynamic of microcredit clients with informal sector characteristics. These characteristics include nu...
http://www.essays.se/essay/e7b90d24a9/