1.0Philanthropy Roundtablehttps://www.philanthropyroundtable.orgrich600338<blockquote class="wp-embedded-content" data-secret="D9wdLdBEIZ"><a href="https://www.philanthropyroundtable.org/resource/investing-in-ideas-influencing-policy-a-guide-to-think-tank-effectiveness/">Investing in Ideas, Influencing Policy: A Guide to Think Tank Effectiveness</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.philanthropyroundtable.org/resource/investing-in-ideas-influencing-policy-a-guide-to-think-tank-effectiveness/embed/#?secret=D9wdLdBEIZ" width="600" height="338" title="“Investing in Ideas, Influencing Policy: A Guide to Think Tank Effectiveness” — Philanthropy Roundtable" data-secret="D9wdLdBEIZ" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); /* ]]> */ </script> https://www.philanthropyroundtable.org/wp-content/uploads/2023/06/Guide-to-Think-Tank.jpg10801080As donors evaluate think tank investments, this paper proposes a series of features that distinguish independent autonomous public policy think tanks and their effectiveness in influencing public policy choices.1 With careful consideration to the process outlined in this report, donors may direct think tank funding toward those with high impact.