Economics is full of puzzles and paradoxes that often frustrate and challenge everyone, including economists. This book focuses on three types of paradox. First, everyday observations that appear to belie common sense (such as, why do some supermarket items sell for more per ounce in larger sizes?). Second those paradoxes which have perplexed economists in the past but have since been fairly resolved (such as, the diamond-water paradox). Finally, empirical or conceptual anomalies that remain unresolved and present a challenge to today's economists (such as, the voting paradox).