Compounds of 効

• 規模効果
  (n) economy of scale
• 経済効果
  (n) economic result
• 限界効用
  (n) marginal utility
• 効が有る
  (exp) to be beneficial to
  to be efficacious
• 効果抜群
  (n,adj-na,adj-no) exceptionally effective
  overwhelming effectiveness
• 効果覿面
  (n) bring an immediate result on
  have an instant effect on
• 効能書き
  (n) statement of the efficacy of a medicine
• 効用関数
  (n) utility function
• 効率向上
  (n) improvement in efficiency
• 広告効果
  (n) effect or effectiveness of advertising
• 視覚効果
  (n) visual effect(s) (e.g. in a film)
• 時間効果
  (n) time effect
• 治療効果
  (n) (medicine with) a curative effect
  (having) therapeutic value
• 自動発効
  (adj-no) (comp) self-executing (computer file)
• 実効税率
  (n) effective tax rate
• 実効命令
  (n) (comp) actual instruction
• 主治効能
  (n) chief virtue (of a medicine)
• 所得効果
  (n) income effect
• 乗数効果
  (n) multiplier effect (econ.)
• 宣伝効果
  (n) impact of publicity or propaganda
• 訴求効果
  (n) customer appeal
  the power to appeal to customers
• 相乗効果
  (n,adj-no) synergy
• 代替効果
  (n) substitution effect
• 特殊効果
  (n) special effects
• 波及効果
  (n) ripple effect
  spillover effect
  propagation effect
• 非効率的
  (adj-na) inefficient
• 舞台効果
  (n) stage effects
• 噴水効果
  (n) fountain effect (theory that high sales in the basement of a department store lead to increased sales in the upper levels as well)
• 無効投票
  (n) spoilt (invalid) vote
• 目が効く
  (exp) to have an eye for