# All Questions

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### Why so many suppliers of inexpensive ordinary products

There are a very large number of suppliers of common, inexpensive products, and I am wondering why a few large companies don't simply provide all the supply? I am not thinking of food or clothing or ...
14 views

### Calculating 2 year CAGR CTG (Contribution to Growth) [closed]

DATA Year Q P Sales 2018 100 5 500 2019 125 7 875 2020 130 10 1300 2021 132 11 1452 CTG 2020-2021 YoY 2020 48.6% Q -2.5% P -34.4% YoY ...
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### Concept of Utility in demand systems

I have seen that researchers use different utility function in demand systems estimation such as Stone Geary. What is the role of these utility functions? What are utility function other than stone ...
52 views
+100

### Bertrand game with delivery risk and side payments

Consider three agents $A_i$, who engage in a Bertrand game. All agents have perfect knowledge on all parameters and the distribution $F()$. $A_1$ moves first and selects price \$0\leq p_1\in \mathbb{R}...
14 views

### Suggested model for dependent variable of different groups

I want to test the impact of X on Y. The dependent variable Y is being employed. Now, I want to see if the impact of X is different for those employed in agriculture (A) and non-agriculture (N) ...
12 views

### How can I solve the Nigeria's industrial [closed]

The following is Nigeria’s Industrial Output Index for the years 1984 to 1997: Year Index of Output 1984 175 1985 190 1986 132 1987 96 1988 100 1989 78 1990 131 1991 135 1992 154 1993 163 1994 178 ...
10k views

### How to handle change in base year of index?

I have monthly IIP data from 1996-2016. But the issue is the change of base year. For the year 1996- 2011 the base year is 1993-94 and the index is disconnected from Feb 2011. For the year 2005-2016 ...