Question
The global smartphone market is dominated by a few major
players like Apple, Samsung, and a few Chinese brands. These companies engage in intense competition, often introducing new models with innovative features to capture market share. Which market structure best describes the global smartphone market?Solution
The global smartphone market is an oligopoly because it is dominated by a few large firms that have significant market power and engage in strategic competition with each other.
Let X1, X2 and X3 are three (Pairwise) uncorrelated random variables. The mean & variance of each variable is 0 and 3, respectively. Find the correl...
Consider a closed economy wherein
C = 0.8 Yd  , t = 0.25 , I = 900 – 50i , G = 800, L = 0.25 Y – 62.5i , M/P = 500
Where in Yd = Di...
A and B constitute a random sample of size 2 from normal population with the mean µ and variance α2, find the efficiency of (A+2B)/3
When the value of d=2, in case of Durbin-Watson Test, what should be done with the null hypothesis?
Which of the following is/are included while calculating the national income using the income method?
(1) Wages and salaries in cash
...
During the first stage of a total product curve, the total product is
The regression equation is Y = β1X1i + ui and following is the sample,
 If the wage contracts gets better indexed with the prices, what will happen to the effect of unemployment on inflation?
The National Rural Livelihood Mission, a measure adopted by the Government to alleviate poverty, is also known as________.
In a multiple regression model, the Durbin-Watson test statistic is 1.3, while the critical lower and upper values are 1.5 and 1.7 respectively. This im...