基于多源数据的我国新能源汽车产业政策效果评价研究-畅读网

　　　　

基于多源数据的我国新能源汽车产业政策效果评价研究

作者：王小丽

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mobi/epub/pdf/awz3

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内容简介:

本书基于多源数据，综合利用仿真模拟数据、政策文本数据、经济数据和网络信息数据，采用内容分析法、多主体仿真、文本挖掘及实证分析方法系统全面地评价新能源汽车产业政策效果。本书的主要内容包括新能源汽车产业政策效果评价基础研究、产业政策对新能源汽车产业绩效的影响效果评价以及基于公众感知的产业政策效果评价。重点探讨新能源汽车产业政策影响产业绩效的作用机理、产业政策特征对产业链不同主体绩效的影响，以及基于公众感知的产业政策效果评价。

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SHOW FULL COLUMNS FROM `ls_goods_category` [ RunTime:0.001550s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.001472s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 2 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.001589s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`is_show`,`is_recommend` FROM `ls_goods_category` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 3 ORDER BY `sort` DESC [ RunTime:0.001659s ]
SHOW FULL COLUMNS FROM `ls_nav` [ RunTime:0.002884s ]
SELECT `id`,`name`,`pid`,`image`,`level`,`link`,`module`,`is_show`,`is_recommend` FROM `ls_nav` WHERE `is_show` = 1 AND `del` = 0 AND `level` = 1 ORDER BY `id` ASC,`sort` DESC [ RunTime:0.001736s ]
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SHOW FULL COLUMNS FROM `ls_friendly_link` [ RunTime:0.003193s ]
SELECT * FROM `ls_friendly_link` WHERE `is_show` = 1 AND `del` = 0 ORDER BY `id` DESC,`sort` DESC [ RunTime:0.002056s ]
SHOW FULL COLUMNS FROM `ls_goods` [ RunTime:0.003489s ]
SELECT * FROM `ls_goods` WHERE `id` = 161668 AND `status` = 1 LIMIT 1 [ RunTime:0.002618s ]
UPDATE `ls_goods` SET `click_count` = 21 , `update_time` = 1746457752 WHERE `id` = 161668 [ RunTime:0.002212s ]
SELECT `name`,`first_category_id`,`second_category_id` FROM `ls_goods` WHERE `id` = 161668 LIMIT 1 [ RunTime:0.001834s ]
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SHOW FULL COLUMNS FROM `ls_ad` [ RunTime:0.003262s ]
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SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 4 LIMIT 1 [ RunTime:0.001408s ]
SELECT `id`,`name` FROM `ls_goods_category` WHERE `id` = 40 LIMIT 1 [ RunTime:0.001386s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 11 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.002492s ]
SELECT `a`.*,`ap`.`width`,`ap`.`height` FROM `ls_ad` `a` INNER JOIN `ls_ad_position` `ap` ON `a`.`pid`=`ap`.`id` WHERE `pid` = 14 AND `ap`.`client` = '2' AND `a`.`status` = '1' AND `a`.`del` = '0' AND `ap`.`status` = '1' AND `ap`.`del` = '0' ORDER BY `sort` DESC,`id` DESC [ RunTime:0.002564s ]
SELECT * FROM `ls_goods` WHERE `del` = 0 AND `status` = 1 AND `create_time` <= 1746457692 ORDER BY `create_time` DESC LIMIT 5 [ RunTime:0.701982s ]

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