Economic Analyses
Chapter 1 Introductory Topics I: Algebra
𝐴𝑛 = ⏟
𝑎 ∗ 𝑎 ∗ … ∗ 𝑎 𝑚𝑒𝑡 𝑛 𝑓𝑎𝑐𝑡𝑜𝑟𝑠
𝑎0 = 1
𝑝 𝑝 𝑝 𝑝 𝑝 𝑝
( )5 = ∗ ∗ ∗ ∗
𝑞 𝑞 𝑞 𝑞 𝑞 𝑞
1
𝑎−𝑛 =
𝑎𝑛
𝑎𝑟 ∗ 𝑎 𝑠 = 𝑎𝑟+𝑠
(𝑎𝑟 )𝑠 = 𝑎𝑟𝑠
1
√𝑎 = 𝑎2
√𝑎𝑏 = √𝑎 ∗ √𝑏
𝑎 √𝑎
√ =
𝑏 √𝑏
√𝑎 + 𝑏 = √𝑎 + √𝑏
1
𝑛
𝑎𝑛 = √𝑎
𝑝 𝑞
𝑎𝑞 = √𝑎𝑝
Chapter 2 Introductory Topics II: Equations
−𝑏−√𝐷 −𝑏+√𝐷
𝐷 = 𝑏 2 − 4𝑎𝑐 met 𝑥 = of 𝑥 =
2𝑎 2𝑎
Chapter 3 Introductory Topics III: Miscellaneous
6
∑ 𝑁𝑖 = 𝑁1 + 𝑁2 + 𝑁3 + ⋯ 𝑁6
𝑖=1
∑𝑛
𝑖=1 𝑃𝑡𝑖 𝑄
𝑖
Price indices = ∑𝑛 𝑖 * 100
𝑖=1 𝑃0𝑖 𝑄
Chapter 1 Introductory Topics I: Algebra
𝐴𝑛 = ⏟
𝑎 ∗ 𝑎 ∗ … ∗ 𝑎 𝑚𝑒𝑡 𝑛 𝑓𝑎𝑐𝑡𝑜𝑟𝑠
𝑎0 = 1
𝑝 𝑝 𝑝 𝑝 𝑝 𝑝
( )5 = ∗ ∗ ∗ ∗
𝑞 𝑞 𝑞 𝑞 𝑞 𝑞
1
𝑎−𝑛 =
𝑎𝑛
𝑎𝑟 ∗ 𝑎 𝑠 = 𝑎𝑟+𝑠
(𝑎𝑟 )𝑠 = 𝑎𝑟𝑠
1
√𝑎 = 𝑎2
√𝑎𝑏 = √𝑎 ∗ √𝑏
𝑎 √𝑎
√ =
𝑏 √𝑏
√𝑎 + 𝑏 = √𝑎 + √𝑏
1
𝑛
𝑎𝑛 = √𝑎
𝑝 𝑞
𝑎𝑞 = √𝑎𝑝
Chapter 2 Introductory Topics II: Equations
−𝑏−√𝐷 −𝑏+√𝐷
𝐷 = 𝑏 2 − 4𝑎𝑐 met 𝑥 = of 𝑥 =
2𝑎 2𝑎
Chapter 3 Introductory Topics III: Miscellaneous
6
∑ 𝑁𝑖 = 𝑁1 + 𝑁2 + 𝑁3 + ⋯ 𝑁6
𝑖=1
∑𝑛
𝑖=1 𝑃𝑡𝑖 𝑄
𝑖
Price indices = ∑𝑛 𝑖 * 100
𝑖=1 𝑃0𝑖 𝑄
