Well, we asked a team of economists at Deloitte who checked and crunched the numbers, and they came back and said, well, look: if the world's average wealth goes from $14,000 a year to $23,000 a year, social progress is going to increase from 61 to 62.4.
Am întrebat o echipă de economiști de la Deloitte, care au verificat datele și ne-au spus așa: dacă prosperitatea medie a lumii crește de la 14.000 la 23.000 USD/an, progresul social va crește de la 61 la 62.4.