| 证券代码 | 并购前两年研发支出 | 并购后两年研发支出 | 并购前两年资产负债率 | 并购后两年资产负债率 | 并购前两年税负 | 并购后两年税负 | 并购前两年折旧额 | 并购后两年折旧额 |
| 000009 | 4412943.7 | 4715247.765 | 0.628866 | 0.639966 | 0.238069374 | 0.1430241 | 81431125.92 | 129265365.1 |
| 000012 | 16915280 | 13778483 | 0.4352145 | 0.4899255 | 0.163658426 | 0.105960616 | 567362129.5 | 682465740.5 |
| 000028 | 3289548.27 | 5619315.47 | 0.6061765 | 0.8172365 | 0.210743678 | 0.156890337 | 70558458.74 | 93802406.47 |
| 000060 | 11427342.38 | 17411201.5 | 0.525585 | 0.752458 | 0.206710964 | 0.174696663 | 347650838.6 | 443595181.8 |
| 000063 | 1696057000 | 3207826500 | 0.5726938 | 0.7581945 | 0.175726872 | 0.104294667 | 934084000 | 1549627500 |
| 000078 | 30089194.87 | 53620252.58 | 0.7897455 | 0.7907815 | 0.433936954 | 0.264363762 | 43888837.01 | 69311537.03 |
| 000100 | 204678500 | 845218000 | 0.300576 | 0.727593 | 0.285353258 | 0.143341 | 865401500 | 3202299000 |
| 000153 | 3009034 | 12664783.4 | 0.4143285 | 0.7776075 | 0.490143243 | 0.255324199 | 44814733.95 | 59622042.98 |
| 000338 | 497418862.3 | 533706390.8 | 0.562831 | 0.660711 | 0.128773786 | 0.12679149 | 1814365763 | 3020591165 |
| 000407 | 24369056.29 | 27644825.53 | 0.5325 | 0.615876 | -0.062109597 | -0.032554404 | 50669129.07 | 52333490.84 |
| 000410 | 35013629.12 | 85050941.12 | 0.648775 | 0.860211 | 0.266144106 | 0.136544229 | 236272003.5 | 381522648.2 |
请教大神,这是2012年发生并购的企业在并购前两年和并购后两年的研发支出平均数、资产负债率平均数、税负平均数、折旧平均数,这是什么类型的数据?我想分析企业并购前后资产负债率变化、税负变化、折旧变化对研发支出的影响,应该用什么软件,什么方法?具体应该怎么分析?请个大神指教!感激不尽!