Question

Consider the following table data for selected competitors in the global eyeglasses industry.

Particulars	2009	2010	2011	2012	2013
Luxottica Group SpA	3,923	4,211.30	4,604.20	4,896.60	5,015.60
Essilor International SA	3,604.20	4,112.40	4,274.10	4,514	4,647.40
Safilo Group SpA	1,312.50	1,418.80	1,472.20	1,499.10	1,425.70
Carl Zeiss AG	642.2	668.20	703.90	717.6	770.30
Marchon Eyewear Inc	865.1	762.80	771.20	771.3	766.20
Hoya Corp	528.9	585.20	601.60	636.1	720.10
Total	10,875.90	11,758.70	12,427.20	13,034.70	13,345.30

The 3-firm concentration ratio for the 2013 market share equals.

Please do not copy from chegg otherwise i have to report the answer. Explain the answer throughly with showing each step of the calculation.

Answer 1

	Market concentration ratio 2013	Market share	concentration ratio	%
1	Luxottica Group spa	5015.6	5015.6/13345.3	0.375833	37.58%
2	Essilor international SA	4647.4	4647.4/13345.3	0.348242	34.82%
3	Safilo group Spa	1425.7	1425.7/13345.3	0.106832	10.69%
4	Carl Zessis AG	770.3	770.3/13345.3	0.057721	5.77%
5	Marchon eyewear	766.2	766.2/13345.3	0.057413	5.74%
6	Hoya corp	720.1	720.1/13345.3	0.053959	5.40%
		13345.3
	the major 3 firms cover 83.09% of market
	Luxottica Group spa	5015.6
	Essilor international SA	4647.4
	Safilo group Spa	1425.7
		11088.7
	11088.7/13345.3 *100	83.09067612
		83.09%