Mid-Term Econometrics
Quiz
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Mathematics
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University
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Practice Problem
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Medium
Siti Abdussamad
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20 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is model specification in econometrics?
Model specification in econometrics is the process of using only one variable for a statistical model.
Model specification in econometrics is the process of randomly selecting variables for a statistical model.
Model specification in econometrics is the process of ignoring the functional form for a statistical model.
Model specification in econometrics is the process of selecting the appropriate variables and functional form for a statistical model.
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Berikut ini yang bukan tipe data ekonomi yaitu....
Data Cross Section, Data Time Series
Data Time Series, Data Panel
Data Panel, Data Unpooled
Data Time Series, Data Longitudinal
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Apa konsekuensi dari incorrect model specification?
Tidak berdampak pada estimasi, estimasi paramater, dan inferensi
Accurate estimates, precise parameter estimates, and correct inferences
Menambah akurasi dari estimasi, efficient parameter estimates, dan correct inferences
Biased estimates, inefficient parameter estimates, dan incorrect inferences
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Komponen deterministik diharapkan sebesar-besarnya menjelaskan fenomena yang dimodelkan. Dengan kata lain model yang baik adalah model dengan kontribusi dari komponen stokastik error/galat yang sekecil mungkin. Peneliti dapat saja menggunakan sebanyak-banyaknya variabel yang mungkin memengaruhi variabel terikat, untuk meminimumkan kontribusi komponen galat. Namun komponen galat ini tetap harus ada di dalam model, karena peranannya yang cukup penting untuk dapat mengakomodasi hal-hal berikut yaitu...
Teori yang pasti
Ketidaktersediaan data
Kemungkinan hubungan fungsional yang tepat
Sifat alami perilaku manusia yang acak
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Bagaimana multikolinearitas mempengaruhi spesifikasi model?
Multikolinearitas meningkatkan keakuratan estimasi koefisien
Multikolinearitas hanya mempengaruhi variabel terikat saja
Multikolinearitas dapat menghasilkan estimasi koefisien yang tidak dapat diandalkan
Multikolinieritas tidak berpengaruh pada spesifikasi model
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Apa saja metode untuk menguji spesifikasi model?
Visualisasi, uji statistik, dan uji diagnostik
Trial and error dan random selection
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Asumsi-asumsi yang mendasari OLS yaitu...
Regresi linier pada parameter, ragam yang sama pada galat, galat mempunyai nilai harapan 1
Ragam yang sama pada galat, Antar galat saling berkorelasi
Pengamatan harus lebih banyak daripada paramater yang akan diduga, Variabel penjelas dan galat saling bebas
Nilai variabel penjelas harus bervariasi, Multikolinieritas sempurna
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