Ключевые слова: business, coin, difference, differential, differentials, earning, economic, economical, economy, female, figure, financial, gap, growth, hard, heap, income, inequality, issue, male, man, men, miniature, money, national, pay, people, person, pile, politics, poor, problem, property, rich, salary, social, stack, standing, success, unequal, unfair, wage, wealth, woman, women, work,