انتقال الأسعار
Time-series models estimate how much and how fast changes in world food and energy prices pass into domestic prices, allowing for exchange rates and policies.
GCRI · التجارة والموارد الاستراتيجية
Econometrics estimates relationships in trade and price data from observed history. In this field it measures how price shocks pass from world to local markets, how trade responds to policy measures, and how disruptions affect output and prices.
Econometrics applies statistical methods to economic data to estimate relationships, test theories and forecast. It provides empirical evidence on how shocks and policies affect economic outcomes. In trade, resources and supply chains and industry and robotics, econometric evidence estimates how disasters, pandemics and financial shocks affect output, employment and prices. It informs the economic case for الحد من مخاطر. The canonical description is on STEM Commons.
Time-series models estimate how much and how fast changes in world food and energy prices pass into domestic prices, allowing for exchange rates and policies.
Gravity models and difference-in-differences designs estimate how tariffs, export controls and الجزاءات change trade flows, including rerouting through third countries.
Event studies relate dated supply disruptions to changes in production and prices in the industries that depend on the disrupted input.
A loss of output in one sector propagates through the technical coefficients to its suppliers and customers, and recovers at the rate you set; the coefficients are teaching values, not national accounts. Teaching model with stated illustrative values, not a prediction.
الضوابط
القراءات
| القطاع | ذروة عدم التشغيل (%) | وزن المخرجات (%) |
|---|---|---|
| الزراعة | 31.04 | 17.0 |
| الطاقة | 3.79 | 8.5 |
| التصنيع | 1.41 | 18.9 |
| النقل والموانئ | 2.46 | 20.1 |
| التجارة | 0.32 | 18.1 |
| الخدمات | 2.74 | 17.4 |
The model runs on the teaching values set by the controls. To calibrate it for a place, read it against these admitted layers and series, which this page’s map can draw:
عبر الركائز الست، بقيادة Nexus Consortium
Datasets and records used by econometrics on this platform, with the role each plays and the label its values carry. Sources are listed in سجل المصادر.
| البيانات | الدور | الوسم |
|---|---|---|
| Trade flows | نواتج التعلم | الإحصاءات المنشورة |
| Price series | الانتقال | الإحصاءات المنشورة |
| Trade policy measure databases | Treatments | مُبلَّغ عنه |
| Industrial production | Impacts | الإحصاءات المنشورة |
النموذج وافتراضاته وبياناته وعدم اليقين فيه، بالصورة التي يفحصها بها عالم أو مهندس. وتتبع البنى أساليب منشورة. والقيم المرسومة توضيحية، وليست نتائج.
The couplings between the systems in econometrics for trade: signs of influence, a reinforcing and a balancing loop, and cross-links where stress jumps.
Models are assessed through specification tests, robustness checks and out-of-sample performance. Results are compared across datasets and methods.
| التحقق | كيف يُنفَّذ |
|---|---|
| Pre-trend tests | Treated and comparison flows are checked for parallel trends before measures |
| Robustness to specification | Results are compared across model specifications |
| Structural break tests | Relationships are tested for change over time |
Endogeneity, measurement error and structural change can bias estimates. Relationships may shift under extreme conditions.
التنمية الاقتصادية stewards econometrics for the Consortium and reviews how it is applied across platforms.
التقارير is the Consortium’s quarterly publication. What you know about this subject can become evidence, a case or a correction in the next edition, credited to you and published under CC BY 4.0 where it is your own work.
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المعلومات والاستفسارات متاحة اليوم. ويحصل الاستفسار على رقم مرجعي ويحدد الخطوة التالية؛ ولا تُفتح الطلبات والمدفوعات وتخصيصات الحوسبة والتسجيلات إلا حين يتوافر فريقها وشروطها وقدرة المراجعة.
تُعرض الخرائط والبيانات والأشكال في هذا الموقع للسياق والمعلومات العامة. وهي ليست نصيحة ولا توقعات ولا إنذارات؛ وحدود المعلومات مبيّنة في إخلاءات المسؤولية وإشعارات البيانات.
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