1.
carrot and stick; reward and punishment; the soft and hard approach
A strategy of using both incentives (rewards) and deterrents (punishment) to achieve a desired outcome. Literally 'candy and whip.' Equivalent to the English expression 'carrot and stick.'
Literally 'candy and whip.' The expression is thought to derive from Bismarck's domestic policy approach (Zuckerbrot und Peitsche, 'sugar bread and whip'). Common collocations: 飴と鞭を使い分ける (to skillfully alternate between reward and punishment), 飴と鞭の政策 (carrot-and-stick policy). Used in contexts of management, parenting, education, and politics.