所有栏目

市场均衡概念?

优质回答
  • 星河赴朝暮

    市场均衡是经济学中描述市场供需平衡的核心概念,其定义及核心要点如下:

    一、基本定义

    市场均衡指在特定价格水平下,消费者愿意购买的商品数量与生产者愿意出售的商品数量恰好相等的状态。此时,市场既无过剩库存,也无供不应求现象,买卖双方均无调整动力。

    二、核心要素

    价格与数量

    均衡价格 :由需求曲线与供给曲线的交点决定,是市场供需平衡的“路标”。

    均衡数量 :对应均衡价格下的交易量,满足消费者需求与生产者供给。

    动态平衡特性

    均衡并非静态,而是通过价格波动不断调整的动态过程。例如,供过于求时价格下跌,刺激需求;供不应求时价格上涨,抑制需求,最终回归均衡。

    三、均衡类型

    局部均衡 :仅考虑单一市场的供需平衡,如某商品的价格与数量。

    一般均衡 :涉及整个经济体系中所有市场的供需平衡,需综合考虑各市场间的关联。

    四、市场机制作用

    价格作为公共信号,协调分散的消费者和生产者决策,实现资源有效配置。

    均衡状态通过“看不见的手”机制自发形成,但需外部条件(如信息对称、无垄断)保障其有效性。

    五、现实意义

    帮助理解日常经济现象(如商品定价、排队现象)。

    为政策制定提供基准,如通过价格管控、市场干预优化资源配置。

    2025-11-26 11:42:11
最新问题
1.9632
基本信息
SQL
$_GET
$_POST
$_COOKIE
包含文件
自动加载
  1. 模型: /www/wwwroot/www.gaokao113.com/lecms/model/
  2. 视图: /www/wwwroot/www.gaokao113.com/view/mobile/ask_show.htm
  3. 控制器: /www/wwwroot/www.gaokao113.com/lecms/control/show_control.class.php
  4. 日志目录: /www/wwwroot/www.gaokao113.com/log/
  5. 当前页面: /www/wwwroot/www.gaokao113.com/index.php
  6. 当前时间: 2026-07-29 18:28:04
  7. 当前网协: 216.73.217.18
  8. 请求路径: /peixunjingxuan/101.html
  9. 运行时间: 1.9632
  10. 内存开销: 1.7 MB
  1. #0 [time:0.0053s] SELECT * FROM le_runtime WHERE k='cfg' LIMIT 1
  2. #1 [time:0.0030s] SELECT * FROM le_runtime WHERE k='cate_12' LIMIT 1
  3. #2 [time:0.0043s] SELECT * FROM le_cms_article WHERE id='101' LIMIT 1
  4. #3 [time:0.0038s] SELECT * FROM le_cms_article_data WHERE id='101' LIMIT 1
  5. #4 [time:0.0029s] SELECT * FROM le_cms_article_views WHERE id='101' LIMIT 1
  6. #5 [time:0.0120s] UPDATE LOW_PRIORITY le_cms_article_views SET views=views+1 WHERE id='101' LIMIT 1
  7. #6 [time:0.0025s] SELECT * FROM le_kv WHERE k='navigate' LIMIT 1
  8. #7 [time:0.0065s] SELECT * FROM le_runtime WHERE k='2115ca2ee2e142dfbb5ca0360ce82a98' LIMIT 1
  9. #8 [time:0.0029s] SELECT COUNT(*) AS num FROM le_cms_article
  10. #9 [time:0.0030s] SELECT t1.id FROM le_cms_article AS t1 JOIN (SELECT ROUND(RAND() * (SELECT MAX(id) FROM le_cms_article)) AS id) AS t2 WHERE t1.id >= t2.id LIMIT 1
  11. #10 [time:0.0030s] SELECT t1.id FROM le_cms_article AS t1 JOIN (SELECT ROUND(RAND() * (SELECT MAX(id) FROM le_cms_article)) AS id) AS t2 WHERE t1.id >= t2.id LIMIT 1
  12. #11 [time:0.0035s] SELECT t1.id FROM le_cms_article AS t1 JOIN (SELECT ROUND(RAND() * (SELECT MAX(id) FROM le_cms_article)) AS id) AS t2 WHERE t1.id >= t2.id LIMIT 1
  13. #12 [time:0.0031s] SELECT t1.id FROM le_cms_article AS t1 JOIN (SELECT ROUND(RAND() * (SELECT MAX(id) FROM le_cms_article)) AS id) AS t2 WHERE t1.id >= t2.id LIMIT 1
  14. #13 [time:0.0029s] SELECT t1.id FROM le_cms_article AS t1 JOIN (SELECT ROUND(RAND() * (SELECT MAX(id) FROM le_cms_article)) AS id) AS t2 WHERE t1.id >= t2.id LIMIT 1
  15. #14 [time:0.0058s] SELECT * FROM le_cms_article WHERE id='15331' OR id='6734' OR id='4018' OR id='16227' OR id='3719'
  16. #15 [time:0.0067s] SELECT * FROM le_runtime WHERE k='2115ca2ee2e142dfbb5ca0360ce82a98' LIMIT 1
  17. #16 [time:0.0090s] UPDATE le_runtime SET k='2115ca2ee2e142dfbb5ca0360ce82a98',v='{ "list": { "cms_article-id-15331": { "id": "15331", "cid": "4", "title": "2026美术生文化课474分能上集美大学吗", "alias": "", "tags": null, "intro": "2026美术生文化课474分有可能考上集美大学。集美大学美术生的录取分数线是根据考生的高考总分、所在省份的控制分数线以及专业统考成绩综合决定的。考生在报考时需仔细查看具体的招生简章和分数线要求,确保符合报考条件。集美大学往年美术类各省录取分数线汇总以下是小编精心", "pic": "/upload/rand_pic/2-6105061.png", "uid": "70", "author": "星河入梦来", "source": "", "dateline": "1778120102", "lasttime": "1778120102", "ip": "2147483647", "imagenum": "0", "filenum": "0", "iscomment": "0", "comments": "0", "flags": "", "seo_title": "", "seo_keywords": "", "seo_description": "", "jumpurl": "", "show_tpl": "", "date": "2026-05-07 10:15", "update": "2026-05-07 10:15", "subject": "2026美术生文化课474分能上集美大学吗", "url": "https://m.gaokao113.com/gaokaozixun/15331.html", "absolute_url": "https://m.gaokao113.com/gaokaozixun/15331.html", "flag_arr": [], "tag_arr": [], "haspic": 1, "pic_thumb": "/upload/rand_pic/2-6105061_thumb.png", "pic_url": "https://m.gaokao113.com/upload/rand_pic/2-6105061.png", "user_url": "https://m.gaokao113.com/space/70/", "avatar": "https://m.gaokao113.com/upload/avatar/000/70.png", "xuhao": 1 }, "cms_article-id-6734": { "id": "6734", "cid": "4", "title": "2026年西安高考复读一年大概多少钱", "alias": "", "tags": null, "intro": "高考对于大多数人来说是一个非常重要的时刻,对于已经开始又一轮人生冲刺的高考复读学生而言,怎样取得好的学习效果,尤为关键。高考复读的学习方法,复读考生把握。那么2026年西安高考复读一年大概多少钱呢?大家跟小编一起来了解下吧。2026年西安高考复读一年大概多少钱西安", "pic": "/upload/rand_pic/2-6105078.png", "uid": "27", "author": "雪落梅枝", "source": "", "dateline": "1770382801", "lasttime": "1770382801", "ip": "2147483647", "imagenum": "0", "filenum": "0", "iscomment": "0", "comments": "0", "flags": "", "seo_title": "", "seo_keywords": "", "seo_description": "", "jumpurl": "", "show_tpl": "", "date": "2026-02-06 21:00", "update": "2026-02-06 21:00", "subject": "2026年西安高考复读一年大概多少钱", "url": "https://m.gaokao113.com/gaokaozixun/6734.html", "absolute_url": "https://m.gaokao113.com/gaokaozixun/6734.html", "flag_arr": [], "tag_arr": [], "haspic": 1, "pic_thumb": "/upload/rand_pic/2-6105078_thumb.png", "pic_url": "https://m.gaokao113.com/upload/rand_pic/2-6105078.png", "user_url": "https://m.gaokao113.com/space/27/", "avatar": "https://m.gaokao113.com/upload/avatar/000/27.png", "xuhao": 2 }, "cms_article-id-4018": { "id": "4018", "cid": "4", "title": "2026山东考研可以报考的学校", "alias": "", "tags": null, "intro": "近日,考研热潮也在逐渐升温。越来越多的大学生开始考虑是否要继续深造,而考研则成为了他们最为热衷的选择之一。然而,考研的道路并不容易,需要考生付出很多的努力和时间。今天小编为大家整理了“2026山东考研可以报考的学校?”相关内容,希望对正在考研的考生有所帮助,更", "pic": "/upload/rand_pic/2-6105065.png", "uid": "88", "author": "星子缀天幕", "source": "", "dateline": "1767897601", "lasttime": "1767897601", "ip": "2147483647", "imagenum": "0", "filenum": "0", "iscomment": "0", "comments": "0", "flags": "", "seo_title": "", "seo_keywords": "", "seo_description": "", "jumpurl": "", "show_tpl": "", "date": "2026-01-09 02:40", "update": "2026-01-09 02:40", "subject": "2026山东考研可以报考的学校", "url": "https://m.gaokao113.com/gaokaozixun/4018.html", "absolute_url": "https://m.gaokao113.com/gaokaozixun/4018.html", "flag_arr": [], "tag_arr": [], "haspic": 1, "pic_thumb": "/upload/rand_pic/2-6105065_thumb.png", "pic_url": "https://m.gaokao113.com/upload/rand_pic/2-6105065.png", "user_url": "https://m.gaokao113.com/space/88/", "avatar": "https://m.gaokao113.com/upload/avatar/000/88.png", "xuhao": 3 }, "cms_article-id-16227": { "id": "16227", "cid": "4", "title": "2026美术生文化课486分能上扬州大学吗", "alias": "", "tags": null, "intro": "2026美术生文化课486分有可能考上扬州大学。扬州大学美术生的录取分数线是根据考生的高考总分、所在省份的控制分数线以及专业统考成绩综合决定的。考生在报考时需仔细查看具体的招生简章和分数线要求,确保符合报考条件。扬州大学往年美术类各省录取分数线汇总小编汇总了扬州", "pic": "/upload/rand_pic/2-2717194.png", "uid": "64", "author": "星河流转", "source": "", "dateline": "1778926502", "lasttime": "1778926502", "ip": "2147483647", "imagenum": "0", "filenum": "0", "iscomment": "0", "comments": "0", "flags": "", "seo_title": "", "seo_keywords": "", "seo_description": "", "jumpurl": "", "show_tpl": "", "date": "2026-05-16 18:15", "update": "2026-05-16 18:15", "subject": "2026美术生文化课486分能上扬州大学吗", "url": "https://m.gaokao113.com/gaokaozixun/16227.html", "absolute_url": "https://m.gaokao113.com/gaokaozixun/16227.html", "flag_arr": [], "tag_arr": [], "haspic": 1, "pic_thumb": "/upload/rand_pic/2-2717194_thumb.png", "pic_url": "https://m.gaokao113.com/upload/rand_pic/2-2717194.png", "user_url": "https://m.gaokao113.com/space/64/", "avatar": "https://m.gaokao113.com/upload/avatar/000/64.png", "xuhao": 4 }, "cms_article-id-3719": { "id": "3719", "cid": "4", "title": "2026如果高校专项通过了必须上吗", "alias": "", "tags": null, "intro": "高校专项通过不必须要上,但会有一定的影响。可以选择直接复读,不要去报到就可以了,如果考生被录取的话,只是代表考生今年内不会再被其他学校所录取,但并不会影响考生复读和明年重考。高校专项通过了必须上吗高校专项大学开学后在规定期限内,如果考生不去报到,学校就会对", "pic": "/upload/rand_pic/2-10604050.png", "uid": "62", "author": "听风观月", "source": "", "dateline": "1767807901", "lasttime": "1767807901", "ip": "2147483647", "imagenum": "0", "filenum": "0", "iscomment": "0", "comments": "0", "flags": "", "seo_title": "", "seo_keywords": "", "seo_description": "", "jumpurl": "", "show_tpl": "", "date": "2026-01-08 01:45", "update": "2026-01-08 01:45", "subject": "2026如果高校专项通过了必须上吗", "url": "https://m.gaokao113.com/gaokaozixun/3719.html", "absolute_url": "https://m.gaokao113.com/gaokaozixun/3719.html", "flag_arr": [], "tag_arr": [], "haspic": 1, "pic_thumb": "/upload/rand_pic/2-10604050_thumb.png", "pic_url": "https://m.gaokao113.com/upload/rand_pic/2-10604050.png", "user_url": "https://m.gaokao113.com/space/62/", "avatar": "https://m.gaokao113.com/upload/avatar/000/62.png", "xuhao": 5 } } }',expiry='1785321484' WHERE k='2115ca2ee2e142dfbb5ca0360ce82a98' LIMIT 1
  18. #17 [time:0.0029s] SELECT * FROM le_runtime WHERE k='cate_71' LIMIT 1
  19. #18 [time:0.0029s] SELECT * FROM le_cms_page WHERE cid='71' LIMIT 1
  1. #control => show
  2. #action => index
  3. #cid => 12
  4. #id => 101
  5. #mid => 2
    1. #PHPSESSID => 1bsjrdv5e4h043uk62dr18b6gb
    1. #0 /www/wwwroot/www.gaokao113.com/index.php
    2. #1 /www/wwwroot/www.gaokao113.com/lecms/xiunophp/xiunophp.php
    3. #2 /www/wwwroot/www.gaokao113.com/lecms/config/config.inc.php
    4. #3 /www/wwwroot/www.gaokao113.com/lecms/xiunophp/lib/base.func.php
    5. #4 /www/wwwroot/www.gaokao113.com/lecms/xiunophp/lib/core.class.php
    6. #5 /www/wwwroot/www.gaokao113.com/lecms/xiunophp/lib/debug.class.php
    7. #6 /www/wwwroot/www.gaokao113.com/lecms/xiunophp/lib/log.class.php
    8. #7 /www/wwwroot/www.gaokao113.com/lecms/xiunophp/lib/model.class.php
    9. #8 /www/wwwroot/www.gaokao113.com/lecms/xiunophp/lib/view.class.php
    10. #9 /www/wwwroot/www.gaokao113.com/lecms/xiunophp/lib/control.class.php
    11. #10 /www/wwwroot/www.gaokao113.com/lecms/xiunophp/db/db.interface.php
    12. #11 /www/wwwroot/www.gaokao113.com/lecms/xiunophp/db/db_pdo_mysql.class.php
    13. #12 /www/wwwroot/www.gaokao113.com/lecms/xiunophp/cache/cache.interface.php
    14. #13 /www/wwwroot/www.gaokao113.com/lecms/xiunophp/cache/cache_memcache.class.php
    15. #14 /www/wwwroot/www.gaokao113.com/lecms/xiunophp/ext/network/Network__interface.php
    16. #15 /www/wwwroot/www.gaokao113.com/lecms/config/plugin.inc.php
    17. #16 /www/wwwroot/www.gaokao113.com/lecms/plugin/editor_um/conf.php
    18. #17 /www/wwwroot/www.gaokao113.com/lecms/plugin/le_batch_reg_user/conf.php
    19. #18 /www/wwwroot/www.gaokao113.com/lecms/plugin/le_category_filter/conf.php
    20. #19 /www/wwwroot/www.gaokao113.com/lecms/plugin/le_drafts/conf.php
    21. #20 /www/wwwroot/www.gaokao113.com/lecms/plugin/le_jiaoyu/conf.php
    22. #21 /www/wwwroot/www.gaokao113.com/lecms/plugin/le_links/conf.php
    23. #22 /www/wwwroot/www.gaokao113.com/lecms/plugin/le_rand_pic/conf.php
    24. #23 /www/wwwroot/www.gaokao113.com/lecms/plugin/le_school_major/conf.php
    25. #24 /www/wwwroot/www.gaokao113.com/lecms/plugin/le_sitemaps/conf.php
    26. #25 /www/wwwroot/www.gaokao113.com/lecms/plugin/le_spider/conf.php
    27. #26 /www/wwwroot/www.gaokao113.com/lecms/plugin/le_user_avatar/conf.php
    28. #27 /www/wwwroot/www.gaokao113.com/lecms/plugin/models_filed/conf.php
    29. #28 /www/wwwroot/www.gaokao113.com/lecms/plugin/sy_mobile/conf.php
    30. #29 /www/wwwroot/www.gaokao113.com/runcache/misc.func.php
    31. #30 /www/wwwroot/www.gaokao113.com/runcache/core_lang/zh-cn.php
    32. #31 /www/wwwroot/www.gaokao113.com/runcache/lang/zh-cn.php
    33. #32 /www/wwwroot/www.gaokao113.com/runcache/lecms_control/parseurl_control.class.php
    34. #33 /www/wwwroot/www.gaokao113.com/runcache/lecms_model/runtime_model.class.php
    35. #34 /www/wwwroot/www.gaokao113.com/runcache/lecms_control/show_control.class.php
    36. #35 /www/wwwroot/www.gaokao113.com/runcache/lecms_control/base_control.class.php
    37. #36 /www/wwwroot/www.gaokao113.com/runcache/lecms_model/urls_model.class.php
    38. #37 /www/wwwroot/www.gaokao113.com/runcache/lecms_model/spider_model.class.php
    39. #38 /www/wwwroot/www.gaokao113.com/runcache/lecms_model/category_model.class.php
    40. #39 /www/wwwroot/www.gaokao113.com/runcache/lecms_model/cms_content_model.class.php
    41. #40 /www/wwwroot/www.gaokao113.com/runcache/lecms_view/mobile,ask_show.htm.php
    42. #41 /www/wwwroot/www.gaokao113.com/runcache/lecms_model/cms_content_data_model.class.php
    43. #42 /www/wwwroot/www.gaokao113.com/lecms/xiunophp/ext/image.class.php
    44. #43 /www/wwwroot/www.gaokao113.com/runcache/lecms_model/cms_content_views_model.class.php
    45. #44 /www/wwwroot/www.gaokao113.com/runcache/lecms_model/kv_model.class.php
    46. #45 /www/wwwroot/www.gaokao113.com/runcache/lecms_model/cms_page_model.class.php
    47. #46 /www/wwwroot/www.gaokao113.com/lecms/xiunophp/tpl/sys_trace.php
    1. #0 image 类