/11694/1.hassmallThumbnailVersion/Unveiling%20covariate%20inclusion%20structures%20in%20economic%20growth%20regressions%20using%20latent%20class%20analysis.pdf;/id/eprint/11694/1/Unveiling%20covariate%20inclusion%20structures%20in%20economic%20growth%20regressions%20using%20latent%20class%20analysis.pdf