Here are four - Era Dabla-Norris ; Kalpana Kochhar ; Nujin Suphaphiphat ; Frantisek Ricka ; Evridiki Tsounta.<p>They work at a little organization called the International Monetary Fund, and they conclude:<p>&quot;We find that increasing the income share of the poor and the middle class actually increases growth while a rising income share of the top 20 percent results in lower growth—that is, when the rich get richer, benefits do not trickle down.&quot;<p><a href="https:&#x2F;&#x2F;www.imf.org&#x2F;external&#x2F;pubs&#x2F;cat&#x2F;longres.aspx?sk=42986.0" rel="nofollow">https:&#x2F;&#x2F;www.imf.org&#x2F;external&#x2F;pubs&#x2F;cat&#x2F;longres.aspx?sk=42986....</a>