Does Market Concentration Promote or Reduce New Product Introductions? Evidence from US Food Industry

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(9)

(10)

MERGERS

(11)

MERGERS

(12)

MERGERS

(13)

MERGERS

(14)

MERGERS

(15)

MERGERS

--------

(16)
MERGERS

MERGERS

-_NP-_I-_L--_AG-₃-------₀-_.0--₀₀--₂-----

(2.41)**

NPILAG4

NLAG3       0.0195

(3.97)***

NLAG4

USMERGERS   0.00001

(0.54)

SGRLAG3

SGRLAG4

CONSTANT    2.0290

0.0002
(2.64)***

0.0130
(2.95)***
0.00001
(0.57)

2.1823

0.0002
(2.83)***

0.00003
(2.40)**
0.0069
(3.74)***

2.2930

0.0002
(2.75)***

0.0002
(1.63)

0.0064
(3.03)***

2.3888

0.0002
(2.29)**

0.0193
(4.07)***

0.0058
(3.09)***

2.0843

0.0001
(2.52)**

0.0140
(3.29)***

0.0065
(3.00)***
2.2092

0.0001
(1.92)*

0.0174
(3.56)***

0.00002
(1.29)
0.0063
(3.31)***

2.0545

--------

0.0001
(2.06)**

0.0131
(3.00)***
0.00001
(0.92)

0.0067
(3.09)***
2.1878

(10.73)***

(13.16)***

(13.73)***

(15.78)***

(11.30)***

(13.85)***

(11.31)***

(13.75)***

-_El--_a-_st-_i--_c-_i-_t-_y---₀-_.-₀-₉-₅-₂-----

0.0905

0.1096

0.0922

0.0874

0.0799

0.0751

--₀-_.-₀-₆-₉-₂-

(2.39)**

(2.62)***

(2.80)***

(2.72)***

(2.27)**

(2.49)**

(1.91)*

(2.05)**

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Observations 76

76

76

76

76

76

76

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76

Categories     6

6

6

6

6

6

6

6

-----------------------------------

Wooldridge test for autocorrelation
H0: no first-order autocorrelation

F stats | 0.055         0.385

in panel data

0.000       0.061

0.029

0.267

0.011

--------

0.179

P value |0.8233

0.5620

0.9871

0.8148

0.8720

0.6273

0.9207

0.6894