Arnold, Jens Matthias <br/><br/>
Services inputs and firm productivity in Sub-Saharan Africa: evidence from firm-level data 
by Jens Matthias Arnold, Aaditya Matto and Gaia Narciso 
 - Washington, D.C.  World Bank  2006 
 - 15p. 
 - Policy research working paper; 4048 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Services inputs