@article {274, title = {Knowledge and Social Relatedness Shape Research Portfolio Diversification}, journal = {Scientific Reports}, volume = {10}, year = {2020}, chapter = {14232}, author = {Tripodi, Giorgio and Chiaromonte, Francesca and Lillo, Fabrizio} } @article {273, title = {Does the position in the inter-sectoral knowledge space affect the international competitiveness of industries?}, journal = {Economics of Innovation and New Technology}, year = {2019}, pages = {1{\textendash}48}, author = {Lamperti, Francesco and Malerba, Franco and Mavilia, Roberto and Tripodi, Giorgio} }