Experts have speculated last year’s tumultuous stock market, combined with tax code changes that doubled the standard deduction without a need to itemize charitable contributions, has led to less middle-class giving. That may be true for the average gift size for PayPal givers, but the company’s data shows that those in the lowest income brackets still tend to give a higher proportional share of their net income, something that’s fairly common across the giving world. – Fast Company