@TechReport{economics.dp.2012-57,
 author = {Magazzino, Cosimo},
 title = {Revenue and Expenditure Nexus: A Case Study of ECOWAS},
 type = {Economics Discussion Paper},
 institution = {Kiel Institute for the World Economy},
 year = {2012},
 number = {2012-57},
 url = {http://www.economics-ejournal.org/economics/discussionpapers/2012-57}
}