📘 economics

1. **Problem Statement:** Given the economic growth indicators for Vietnam in 2026, we want to understand the percentage growth values for different sectors compared to the same pe

1. **State the problem:** We want to find the production level $x$ that maximizes profit given the cost function $$C(x) = 4000 + 520x + 0.2x^2$$ and the demand function $$p(x) = 15

1. **State the problem:** We are given the cost function $$C(x) = x^3 - 820.5x^2 - 31587x + 1082$$ and the demand function $$p(x) = 34.5x + 165.$$ We need to find the production le

1. **State the problem:** We have a demand function $x = 5000\sqrt{6 - p}$ where $x$ is the number of people taking the bus and $p$ is the price per ticket. 2. **Elasticity formula

1. **State the problem:** We have the demand function $$x = 0.25(225 - p^2)$$ where $x$ is quantity demanded (in hundreds) and $p$ is price.

1. The problem states that the aviation industry has small profit margins compared to other large industries. 2. Profit margin is generally calculated as $$\text{Profit Margin} = \

1. **State the problem:** We are given revenues for several firms and need to calculate the market share and the squared market share for each firm. 2. **Formula for market share:*

1. **State the problem:** Match each economic term or concept with its correct definition or example. 2. **Definitions and explanations:**

1. **Problem Statement:** Match each economic term or phrase on the left with the best corresponding definition or concept on the right. 2. **Matching:**

1. **Problem Statement:** Identify what each letter (A, B, C, D, E, F, G, H, I) represents in the supply and demand model graph. 2. **Key Concepts and Definitions:**

1. **State the problem:** We have supply and demand functions:

1. **State the problem:** We want to find the output $q$ that maximizes the profit for a manufacturer who can produce at most 60 units per year.

1. **Stating the problem:** We want to understand the concepts of supply and demand in economics. 2. **Definition of Demand:** Demand refers to the quantity of a good or service th

1. Diketahui fungsi demand: $$P = (18 + 1) - 4Q$$ yang disederhanakan menjadi $$P = 19 - 4Q$$. 2. Surplus konsumen adalah selisih antara nilai yang bersedia dibayar konsumen dengan

1. **State the problem:** John usually buys 10 packets of Tayto crisps at $1 each. After a price increase, he buys only 5 packets. Given the price elasticity of demand (PED) is -1.

1. **State the problem:** The commercial banking system has a required reserve ratio change from 20% to 30%, and it is $60 million short of reserves. We need to find by how much th

1. The problem asks how revenue changes when price changes from $10.00 to $9.75 and from $10.50 to $11.00. 2. Revenue is calculated as $$\text{Revenue} = \text{Price} \times \text{

1. **State the problem:** We are given the demand function $p(q) = 140 - 3q$ and the total cost function $C(q) = 12q^2 + 12q + 500$. We need to find the profit function $P(q)$.

1. **State the problem:** We have a cost table with output (O), fixed cost (FC), average fixed cost (AFC), variable cost (VC), average variable cost (AVC), total cost (TC), and ave

1. **Stating the problem:** We have two tables with cost data for different output levels (O). We need to fill in missing values for Fixed Cost (FC), Average Fixed Cost (AFC), Vari

1. **Problem statement:** We have demand and supply functions for corporate bonds: