| 来源类型 | Discussion paper |
| 规范类型 | 论文 |
| 来源ID | DP12602 |
| DP12602 Quality and Gravity in International Trade | |
| Lisandra Flach | |
| 发表日期 | 2018-01-15 |
| 出版年 | 2018 |
| 语种 | 英语 |
| 摘要 | This paper introduces endogenous quality innovations in a multi-country heterogeneous firm model and derives implications for the gravity equation. Using aggregate trade data and firm-level data, we confirm the theoretical predictions: fixed costs have a lower impact on exports and on the share of exporters in industries with a high degree of vertical product differentiation. Quality innovations change the trade elasticity with respect to fixed costs through the extensive margin, whereas the elasticity with respect to variable costs remains unaffected. We estimate the parameters of our model and simulate a reduction in fixed trade costs. Accounting for quality lowers gains from trade and leads to more heterogeneous effects across industries compared to a model without vertical differentiation. |
| 主题 | International Trade and Regional Economics |
| 关键词 | International trade Heterogeneous firms Gravity Product quality |
| URL | https://cepr.org/publications/dp12602 |
| 来源智库 | Centre for Economic Policy Research (United Kingdom) |
| 资源类型 | 智库出版物 |
| 条目标识符 | http://119.78.100.153/handle/2XGU8XDN/541414 |
| 推荐引用方式 GB/T 7714 | Lisandra Flach. DP12602 Quality and Gravity in International Trade. 2018. |
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