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Does Media Coverage of a Celebrity Suicide Trigger Copycat Suicides?: Evidence from Korean Cases 媒体对名人自杀的报道会引发模仿自杀吗?:韩国案例的证据
IF 0.3 4区 经济学 Q4 COMMUNICATION Pub Date : 2016-04-02 DOI: 10.1080/08997764.2016.1170020
Y. Choi, H. Oh
ABSTRACT This article investigates the link between media coverage of celebrity suicides and the nation’s suicide rate. The instrumental variable regression is applied to suicide data from Statistics Korea and the media coverage data on celebrity suicides from Mediagaon of the Korea Press Foundation during the period from 1997 to 2009. The estimation results demonstrate that Korean celebrity suicides have significantly increased suicide rates, whereas non-Korean celebrity suicides have not. Moreover, greater media coverage of Korean celebrity suicides is associated with an increase in suicide rates. These findings shed light on the importance of media policy in the prevention of copycat suicides.
摘要本文研究媒体对名人自杀的报道与国家自杀率之间的关系。对1997 - 2009年韩国统计局的自杀数据和韩国新闻财团Mediagaon的名人自杀媒体报道数据进行工具变量回归分析。估计结果表明,韩国名人自杀显著增加了自杀率,而非韩国名人自杀则没有。此外,媒体对韩国名人自杀的更多报道与自杀率的上升有关。这些发现揭示了媒体政策在预防模仿自杀方面的重要性。
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引用次数: 14
Advertising Content and Television Advertising Avoidance 广告内容与电视广告回避
IF 0.3 4区 经济学 Q4 COMMUNICATION Pub Date : 2016-04-02 DOI: 10.1080/08997764.2016.1170022
Kenneth C. Wilbur
ABSTRACT This article proposes a new measure of television advertising avoidance, the Passive/Active Zap (PAZ), as an occurrence of a set-top box switching channels during a commercial break after at least 5 min of inactivity prior to the break. Twenty-seven percent of eligible commercial breaks are interrupted by a PAZ. A proportional hazards model is applied to a unique dataset to estimate the impact of advertising content and commercial break characteristics on PAZ behavior. The results show that advertising avoidance is negatively associated with movie ads and positively associated with advertising for websites, auto insurance and women’s clothing. Ad avoidance also tends to rise with repeated exposures to the same ad creative, advertising aired on general-interest television networks, later hours of the evening, and rainfall.
本文提出了一种新的电视广告规避措施,即被动/主动Zap (PAZ),即在广告休息前至少5分钟不活动的机顶盒在广告休息期间切换频道的情况。27%的符合条件的商业广告被PAZ打断。将比例风险模型应用于一个独特的数据集,以估计广告内容和商业广告中断特征对PAZ行为的影响。结果表明,广告回避与电影广告负相关,与网站、汽车保险和女性服装广告正相关。广告回避率也会随着反复观看相同的创意广告、在大众电视网络上播放的广告、晚间播出时间较晚以及降雨而上升。
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引用次数: 0
Advertising Content and Avoidance, New Media or Old Media, and Media Coverage of Celebrity Suicides 广告内容与回避,新媒体与旧媒体,媒体对名人自杀的报道
IF 0.3 4区 经济学 Q4 COMMUNICATION Pub Date : 2016-04-02 DOI: 10.1080/08997764.2016.1188637
H. Martin, Adam D. Rennhoff
This issue of Journal of Media Economics includes three articles covering a wide range of mediarelated topics. All three articles have important implications for media firms, from advertisers to traditional media content providers. These articles also raise important points in a larger publicpolicy sense, as well. The first article is “Advertising Content and Television Advertising Avoidance,” by Kenneth C. Wilbur. This article, which relies on actual television viewing behavior collected (anonymously) using set-top cable boxes, examines the factors that influences viewers’ decisions to switch the channel when a commercial appears. As the author notes, television-watching is largely a passive activity, whereas the decision to change channels during a commercial break requires action. The author’s data allows him to observe (i) whether a viewer changes channels during a particular commercial and, if so, (ii) how many seconds into the commercial this switch occurs. The author specifies a proportional hazards model that uses information regarding the identity and the content of an advertisement to explain consumer channel-switching behavior. The resulting coefficient estimates indicate the factors that make consumers more or less likely to stop viewing a given advertisement. Among the empirical findings, the author finds evidence that viewers of live sports programming and animated television programming are less likely to change channels in order to avoid commercials. Television viewers appear to be more hesitant to avoid movie advertisements, but advertisements for websites, auto insurance, and women’s clothing are frequently avoided. There also appears to be diminishing returns on television advertising as viewers are more likely to avoid advertisements that are frequently shown or repeated. The second article is “Do New Media Substitute for Old Media?: A Panel Analysis of Daily Media Use,” by Shinjae Jang and Minsoo Park. This article seeks to measure the degrees of substitutability and complementarity among a variety of different media. The author uses daily media diaries completed by several thousand Korean households between the years of 2010 and 2012. The structure of the diaries allows the author to construct individual-specific panel data regarding the daily consumption of various media. The panel nature of the data allows the author to employ panel econometric techniques that allow individual time-invariant characteristics to be controlled for. The ability to control for these individual characteristics may be quite important in answering the author’s primary research question. For example, does subscribing to a print newspaper and reading news online imply that both are complements? Perhaps but it may also be the case that both actions correspond to someone that is a “news junkie.” Panel econometric techniques allow the author to control for such factors in a way that cross-sectional data would not allow. The author finds strong substitu
本期《媒体经济学杂志》包括三篇文章,涵盖了广泛的媒体相关主题。这三篇文章对媒体公司(从广告商到传统媒体内容提供商)都有重要意义。这些文章也在更大的公共政策意义上提出了重要的观点。第一篇文章是《广告内容和电视广告回避》,作者是肯尼斯·c·威尔伯。本文依赖于使用机顶盒(匿名)收集的实际电视观看行为,研究了当广告出现时影响观众决定切换频道的因素。正如作者所指出的,看电视在很大程度上是一种被动的活动,而在广告时段换台的决定则需要行动。作者的数据允许他观察(i)观众是否在一个特定的商业广告中改变频道,如果是这样,(ii)这个转换在商业广告中发生了多少秒。作者指定了一个比例风险模型,该模型使用有关身份和广告内容的信息来解释消费者的渠道切换行为。由此得出的系数估计表明了使消费者或多或少有可能停止观看给定广告的因素。在实证研究结果中,笔者发现有证据表明,体育直播节目和电视动画节目的观众不太可能为了避免广告而更换频道。电视观众似乎更不愿意看电影广告,但网站、汽车保险和女性服装的广告却经常被避开。电视广告的收益似乎也在减少,因为观众更有可能避免经常播放或重复的广告。第二篇文章是《新媒体取代旧媒体吗?》“日常媒体使用的面板分析”,作者:张新宰、朴敏秀。本文试图衡量各种不同媒介之间的可替代性和互补性程度。作者使用了2010 ~ 2012年韩国数千户家庭完成的每日媒体日记。日记的结构允许作者构建关于各种媒体的日常消费的个人特定面板数据。数据的面板性质允许作者采用面板计量经济学技术,允许控制单个时不变特征。在回答作者的主要研究问题时,控制这些个体特征的能力可能非常重要。例如,订阅纸质报纸和在线阅读新闻是否意味着两者是互补的?也许是这样,但也有可能这两种行为都对应于一个“新闻迷”。面板计量经济学技术允许作者以横截面数据不允许的方式控制这些因素。作者发现印刷、电视和电脑新闻消费具有很强的可替代性。另一方面,电话和电脑的消费往往是互补的。当作者控制诸如各种设备或订阅的所有权等因素时,可替代性或互补性的程度就会增加。第三篇文章是“媒体对名人自杀的报道会引发模仿自杀吗?”《韩国事例的证据》,作者:崔允正、吴亨娜。在这篇与政策相关的文章中,作者试图辨别媒体对名人自杀的更多报道是否会导致全国自杀率的上升。作者将1997年韩国报告的全国自杀数据合并到JOURNAL OF MEDIA ECONOMICS 2016, VOL. 29, NO. 5。2,49 - 50 http://dx.doi.org/10.1080/08997764.2016.1188637
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引用次数: 1
The Value of the Internet as Entertainment in Five European Countries 互联网作为娱乐的价值在五个欧洲国家
IF 0.3 4区 经济学 Q4 COMMUNICATION Pub Date : 2016-01-02 DOI: 10.1080/08997764.2015.1131701
Smaranda Pantea, B. Martens
ABSTRACT We estimate the value of leisure online by applying Goolsbee and Klenow (2006) method to Nielsen Clickstream dataset, which covers the clickstream of more than 12,000 internet users in France, Germany, Italy, Spain and United Kingdom, in 2011. We find that the equivalent variation of welfare from leisure online for the average internet user was between 524 and 785 euros per year. At country level, it amounted to between 18 and 44 billion euros.
本文采用Goolsbee和Klenow(2006)的方法对尼尔森点击流数据集进行了估算,该数据集涵盖了2011年法国、德国、意大利、西班牙和英国的12,000多名互联网用户的点击流。我们发现,对于普通互联网用户来说,上网休闲带来的同等福利变化在每年524至785欧元之间。在国家层面,援助总额在180亿至440亿欧元之间。
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引用次数: 6
Measuring the Welfare Effects of Public Television 衡量公共电视的福利效应
IF 0.3 4区 经济学 Q4 COMMUNICATION Pub Date : 2016-01-02 DOI: 10.1080/08997764.2015.1131702
J. Poort, B. Baarsma
ABSTRACT Based on an explorative case study in the Netherlands, the authors developed a methodology to assess the welfare effects of public service broadcasting. This methodology consists of a combination of revealed and stated preferences, using readily available data for all programs broadcast in the evening in 2011. The results cover both individual programs and an aggregate level. Because the data used encompass both public and commercial programs, the analysis allows for comparisons between these.
基于荷兰的一项探索性案例研究,作者开发了一种评估公共广播服务福利效应的方法。该方法结合了显示的偏好和声明的偏好,使用了2011年晚间播放的所有节目的现成数据。结果涵盖了单个项目和总体水平。由于所使用的数据既包括公共项目也包括商业项目,因此分析允许对这些项目进行比较。
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引用次数: 5
The Economics of Sensationalism: The Lack of Effect of Scandal-Reporting on Business Outcomes 耸人听闻的经济学:丑闻报道对商业结果的影响不足
IF 0.3 4区 经济学 Q4 COMMUNICATION Pub Date : 2016-01-02 DOI: 10.1080/08997764.2015.1131700
B. Meiseberg, Jochen Lengers, T. Ehrmann
ABSTRACT It goes nearly unchallenged that ambition for increased demand and therefore commercial forces induce newspapers to engage in sensationalism. However, who actually benefits, and to what extent, by reporting on alleged scandals remains largely unclear. Accordingly, this study evaluates the business outcomes of the most spectacular German scandal in recent decades. The results provide an explanation for an intentional lack of high-quality journalism; whereas news corporations, as well as advertisers, come away empty-handed, sensationalism seems to be incited by self-seeking journalists.
需求增长的野心和商业力量促使报纸追求轰动效应,这几乎是毋庸置疑的。然而,报道所谓的丑闻到底对谁有利,以及在多大程度上有利,这在很大程度上仍不清楚。因此,本研究评估了近几十年来最引人注目的德国丑闻的商业结果。研究结果为有意缺乏高质量新闻提供了解释;新闻公司和广告商空手而归,而哗众取宠似乎是由自私自利的记者煽动起来的。
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引用次数: 1
Scandal Reporting and Business Outcomes, Welfare Effects from Internet Access, and Welfare Effects from Public Broadcasting 丑闻报道与商业成果,互联网接入的福利效应,以及公共广播的福利效应
IF 0.3 4区 经济学 Q4 COMMUNICATION Pub Date : 2016-01-02 DOI: 10.1080/08997764.2016.1143297
H. Martin, Adam D. Rennhoff
The first article in this issue finds no support for the widespread belief that sensational news coverage can increase a news organization’s profits. The second article estimates the average user in five European countries receives consumer surplus from free access to internet leisure activities of 525 to 785 Euros per year. The third article estimates the annual welfare from public service broadcasting programs in the Netherlands to be at least 131 million Euros more than the annual subsidy. Each study has implications that cross international boundaries. “The Economics of Sensationalism: The Lack of Effect of Scandal-Reporting on Business Outcomes,” by Brinja Meiseberg, Jochen Lengers, and Thomas Ehrmann, re-examines assumptions that sensational news stories increase circulation and advertising sales, thereby increasing newspaper profits. Journalists may instead produce sensational stories for ideological reasons or because sensational stories can boost their professional image and career. Newspaper advertising rates are usually fixed in the short-run, so advertisers might receive more benefits from circulation increases than newspapers do. The study examines these possibilities by researching effects from reporting by the German tabloid BILD on a scandal that forced the German federal president to resign. BILD’s reporting was criticized as sensational. First, do publishers profit from sensational news stories? The researchers use an event-study to determine if the scandal coverage resulted in abnormal returns to the stock price of BILD’s owner, the Axel Springer Corp.. This method is also used to look for abnormal increases in circulation at BILD, and abnormal increases in BILD’s online audience. Results “do not find support for any linkages”(p. 9) between coverage of the scandal and abnormal returns to Axel Springer’s stock price. There were “no effects on sales of single editions or in the aggregate” circulation figures (p. 9). Results were mixed for online audiences. However, the initial scandal reporting appeared to increase online audiences at BILD’s upscale competitors, perhaps because competing news outlets had “more brand name capital in regard to public affairs and issues having an impact on society-at-large” (p. 12). Second, do journalists benefit from producing sensational news? The study did not have adequate quantitative data to determine how the scandal affected the employment and earnings of journalists who covered the stories. However, some journalists did receive a prestigious prize for investigative reporting. Journalists also wrote a book and sold film rights to a German production company. The researchers conclude sensational stories can enhance a journalist’s career prospects. Media outlets “may be able to hire investigative journalists at lower wages in exchange for a certain degree of freedom of choice concerning which stories they want to cover” (p. 12). Third, do advertisers benefit from sensational coverage because th
这期的第一篇文章没有发现任何证据支持那种普遍认为耸人听闻的新闻报道可以增加新闻机构利润的观点。第二篇文章估计,五个欧洲国家的平均用户每年从免费访问互联网休闲活动中获得525至785欧元的消费者剩余。第三篇文章估计,荷兰公共服务广播节目每年的福利至少比每年的补贴多出1.31亿欧元。每项研究都有跨越国界的影响。Brinja Meiseberg、Jochen Lengers和Thomas Ehrmann合著的《耸人听闻的经济学:丑闻报道对商业结果缺乏影响》重新审视了耸人听闻的新闻故事增加发行量和广告销售,从而增加报纸利润的假设。记者可能会出于意识形态的原因,或者因为耸人听闻的故事可以提升他们的职业形象和事业。报纸的广告费率通常在短期内是固定的,因此广告商可能比报纸从发行量的增长中获得更多的利益。这项研究通过调查德国小报《图片报》(BILD)对一桩迫使德国联邦总统辞职的丑闻的报道所产生的影响,来检验这些可能性。《图片报》的报道被批评为耸人听闻。首先,出版商是否从耸人听闻的新闻报道中获利?研究人员使用事件研究来确定丑闻报道是否导致《图片报》所有者阿克塞尔集团(Axel施普林格Corp.)的股价出现异常回报。该方法还用于寻找《图片报》发行量的异常增长,以及《图片报》在线读者的异常增长。结果“没有发现任何联系的支持”(p. 391)。9)丑闻的报道与阿克塞尔股价的异常回报之间的关系。“对单个版本的销售或总体发行量没有影响”(第9页)。在线读者的结果好坏参半。然而,最初的丑闻报道似乎增加了《图片报》的高端竞争对手的在线受众,也许是因为竞争对手的新闻媒体“在公共事务和对整个社会产生影响的问题上拥有更多的品牌资本”(第12页)。第二,记者是否从制造耸人听闻的新闻中获益?这项研究没有足够的定量数据来确定丑闻如何影响报道这些故事的记者的就业和收入。然而,一些记者确实获得了调查性报道奖。记者们还写了一本书,并把电影版权卖给了一家德国制作公司。研究人员得出结论,耸人听闻的故事可以提高记者的职业前景。媒体“也许能够以较低的工资雇用调查记者,以换取一定程度的选择报道故事的自由”(第12页)。第三,广告商是否从耸人听闻的报道中受益,因为他们接触到的受众比他们付费接触到的受众要多。广告客户没有得到任何好处,因为报纸的发行量并没有因为丑闻的报道而增加。研究人员得出结论,认为耸人听闻的新闻报道可以增加观众和利润的传统观念是不支持的。相反,丑闻报道可能是由“记者的私人动机”(第13页)驱动的,因为记者希望从出售书籍或电影版权中获利,并提高他们的职业声誉。《五个欧洲国家的互联网作为娱乐的价值》由斯玛兰达·潘特亚和伯丁·马滕斯撰写,该报告估计了欧洲消费者从互联网中获得的价值。欧盟推动普遍宽带覆盖,以刺激经济增长,降低价格,并为孤立的个人和群体提供互联网接入。然而,宽带政策
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引用次数: 0
Inactivation of PI3-K/Akt and reduction of SP1 and p65 expression increase the effect of solamargine on suppressing EP4 expression in human lung cancer cells. PI3-K/Akt 的失活以及 SP1 和 p65 表达的减少增强了索拉马金抑制人肺癌细胞中 EP4 表达的效果。
IF 11.3 4区 经济学 Q4 COMMUNICATION Pub Date : 2015-12-21 DOI: 10.1186/s13046-015-0272-0
YuQing Chen, Qing Tang, JingJing Wu, Fang Zheng, LiJun Yang, Swei Sunny Hann

Background: Lung cancer is the most common cause of cancer-related deaths worldwide. Natural phytochemicals from traditional medicinal plants such as solamargine have been shown to have anticancer properties. The prostaglandin E2 receptor EP4 is highly expressed in human cancer, however, the functional role of EP4 in the occurrence and progression of non small cell lung cancer (NSCLC) remained to be elucidated.

Methods: Cell viability was measured by MTT assays. Western blot was performed to measure the phosphorylation and protein expression of PI3-K downstream effector Akt, transcription factors SP1, p65, and EP4. Quantitative real-time PCR (qRT-PCR) was used to examine the mRNA levels of EP4 gene. Exogenous expression of SP1, p65, and EP4 genes was carried out by transient transfection assays. EP4 promoter activity was measured by Dual Luciferase Reporter Kit.

Results: We showed that solamargine inhibited the growth of lung cancer cells. Mechanistically, we found that solamargine decreased the phosphorylation of Akt, the protein, mRNA expression, and promoter activity of EP4. Moreover, solamargine inhibited protein expression of SP1 and NF-κB subunit p65, all of which were abrogated in cells transfected with exogenous expressed Akt. Intriguingly, exogenous expressed SP1 overcame the effect of solamargine on inhibition of p65 protein expression, and EP4 protein expression and promoter activity. Finally, exogenous expressed EP4 feedback reversed the effect of solamargine on phosphorylation of Akt and cell growth inhibition.

Conclusion: Our results show that solamargine inhibits the growth of human lung cancer cells through inactivation of Akt signaling, followed by reduction of SP1 and p65 protein expression. This results in the inhibition of EP4 gene expression. The cross-talk between SP1 and p65, and the positive feedback regulatory loop of PI3-K/Akt signaling by EP4 contribute to the overall responses of solamargine in this process. This study unveils a novel mechanism by which solamargine inhibits growth of human lung cancer cells.

背景:肺癌是全球最常见的癌症致死原因。从传统药用植物中提取的天然植物化学物质(如索拉马金)已被证明具有抗癌特性。前列腺素 E2 受体 EP4 在人类癌症中高度表达,但 EP4 在非小细胞肺癌(NSCLC)的发生和发展中的功能作用仍有待阐明:方法:用 MTT 检测法测量细胞活力。Western印迹法测定PI3-K下游效应因子Akt、转录因子SP1、p65和EP4的磷酸化和蛋白表达。定量实时 PCR(qRT-PCR)用于检测 EP4 基因的 mRNA 水平。SP1、p65和EP4基因的外源表达是通过瞬时转染试验进行的。用双荧光素酶报告试剂盒测定了 EP4 启动子的活性:结果:我们发现索拉马金能抑制肺癌细胞的生长。从机理上讲,我们发现索拉马京能降低 Akt 的磷酸化、EP4 蛋白、mRNA 的表达和启动子的活性。此外,索拉马嗪还能抑制 SP1 和 NF-κB 亚基 p65 的蛋白表达,而所有这些作用在转染了外源表达的 Akt 的细胞中都会减弱。有趣的是,外源表达的 SP1 克服了索拉马嗪对 p65 蛋白表达的抑制作用,也克服了 EP4 蛋白表达和启动子活性的抑制作用。最后,外源表达的 EP4 反馈逆转了 Solamargine 对 Akt 磷酸化和细胞生长抑制的影响:我们的研究结果表明,索拉马嗪通过使 Akt 信号失活,继而减少 SP1 和 p65 蛋白的表达来抑制人肺癌细胞的生长。这导致 EP4 基因表达受到抑制。SP1和p65之间的交叉作用以及EP4对PI3-K/Akt信号的正反馈调节回路有助于索拉马金在这一过程中的整体反应。这项研究揭示了索拉马金抑制人类肺癌细胞生长的新机制。
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引用次数: 32
Advertising Content and Television Advertising Avoidance 广告内容与电视广告回避
IF 0.3 4区 经济学 Q4 COMMUNICATION Pub Date : 2015-10-23 DOI: 10.2139/ssrn.2638065
Kenneth C. Wilbur
ABSTRACT This article proposes a new measure of television advertising avoidance, the Passive/Active Zap (PAZ), as an occurrence of a set-top box switching channels during a commercial break after at least 5 min of inactivity prior to the break. Twenty-seven percent of eligible commercial breaks are interrupted by a PAZ. A proportional hazards model is applied to a unique dataset to estimate the impact of advertising content and commercial break characteristics on PAZ behavior. The results show that advertising avoidance is negatively associated with movie ads and positively associated with advertising for websites, auto insurance and women’s clothing. Ad avoidance also tends to rise with repeated exposures to the same ad creative, advertising aired on general-interest television networks, later hours of the evening, and rainfall.
本文提出了一种新的电视广告规避措施,即被动/主动Zap (PAZ),即在广告休息前至少5分钟不活动的机顶盒在广告休息期间切换频道的情况。27%的符合条件的商业广告被PAZ打断。将比例风险模型应用于一个独特的数据集,以估计广告内容和商业广告中断特征对PAZ行为的影响。结果表明,广告回避与电影广告负相关,与网站、汽车保险和女性服装广告正相关。广告回避率也会随着反复观看相同的创意广告、在大众电视网络上播放的广告、晚间播出时间较晚以及降雨而上升。
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引用次数: 36
EOV Editorial Board EOV编委会
IF 0.3 4区 经济学 Q4 COMMUNICATION Pub Date : 2015-10-02 DOI: 10.1080/08997764.2015.1104111
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引用次数: 0
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