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B畛 m担n Kinh t畉

畛 thi s畛 1
M担n: Tin h畛c 畛ng d畛ng trong Kinh t畉
Quy 畛nh:
- Th畛i gian ph叩t 畛, ph叩t d畛 li畛u,thu bi: 30 ph炭t
- Th畛i gian lmbi: 60 ph炭t
- Ghi k畉t qu畉 v畛i 3 ch畛 s畛 th畉p ph但n b畉t c畛 n董i no c坦 畛 th担ng tin (v鱈 d畛: 4,653).
- Th鱈 sinh 動畛c ph辿p s畛 d畛ng ti li畛u, nh動ng kh担ng 動畛c d湛ng i畛n tho畉i,kh担ng trao 畛i bi, kh担ng truy
c畉p Internet.
- Khi h畉t gi畛 lmbi: tr畉t t畛 n畛p l畉i 畛 bi, bi lm, t畉t m叩y v ra kh畛i ph嘆ng thi.
畛 1 c坦 2 m畉t. C叩c b畛 d畛 li畛u cho 畛 1: de1cau1a.dta, de1cau1b.dta, de1cau2.dta, de1cau3.csv
Ph畉n 1: L畛a ch畛n 1 trong 2 c但u 1A v 1B:
C但u 1A (4 i畛m - S畛 d畛ng Stata): B畛 d畛 li畛u de1cau1a.dta c坦 300 quan s叩t, 4 bi畉n y, x1, x2, x3. Tr狸nh
by vo bi lm:
- 働畛c l動畛ng m担 h狸nh probit v畛i bi畉n ph畛 thu畛c l y, bi畉n 畛c l畉p l h畉ng s畛, x1, x2. Tr狸nh by
l畛nh 達 s畛 d畛ng v ghi c叩c th担ng s畛 動畛c l動畛ng 動畛c vo b畉ng sau:
C叩c bi畉n 畛c l畉p H畛 s畛 動畛c l動畛ng (coef.) Sai s畛 chu畉n (Std. Err.) P-value
V鱈 d畛: _cons,x1, x2
- T鱈nh t叩c 畛ng ri棚ng c畛a c叩c h畛 s畛 x1 v x2 l棚n bi畉n y khi x1 = 1 v x2 = 0. Ghi l畉i gi叩 tr畛 t叩c
畛ng ri棚ng v l畛nh 達 s畛 d畛ng.
- 働畛c l動畛ng m担 h狸nh probit v畛i bi畉n ph畛 thu畛c l y, bi畉n 畛c l畉p l h畉ng s畛, x1, x2 khi x3 b畉ng 1.
Tr狸nh by l畛nh 達 s畛 d畛ng, ghi l畉i c叩c th担ng s畛 動畛c l動畛ng 動畛c vo b畉ng nh動 c但u tr動畛c.
C但u 1B (4 i畛m  S畛 d畛ng Stata): B畛 d畛 li畛u de1cau1b.dta c坦 300 quan s叩t, c叩c bi畉n x1, x2 v bi畉n ch畛
th畛i gian t. Tr狸nh by vo bi lm:
- L畛nh 畛 x但y d畛ng 畛 th畛 動畛ng x1 theo t v x2 theo t.
- H達y t狸m m担 h狸nh ARIMA ph湛 h畛p cho chu畛i x1 v x2 (畉m b畉o ph畉n d動 l畉y ra t畛 m担 h狸nh l
nhi畛u tr畉ng b畉ng l畛nh ki畛m 畛nh wntestq). Ghi l畉i c叩c l畛nh 達 s畛 d畛ng. Tr狸nh by th担ng s畛 動畛c
l動畛ng 動畛c vo b畉ng:
C叩c tr畛 達 s畛 d畛ng H畛 s畛 動畛c l動畛ng (coef.) Sai s畛 chu畉n (Std. Err.) P-value
V鱈 d畛: AR L1, MA L1
Ph畉n 2: Lm t畉t c畉 c叩c c但u sau:
C但u 2 (4 i畛m - s畛 d畛ng Stata): B畛 d畛 li畛u de1cau2.dta c坦 300 quan s叩t, v畛i c叩c bi畉n y, x1, x2, x3. Tr狸nh
by vo bi lm:
- 働畛c l動畛ng m担 h狸nh tuy畉n t鱈nh v畛i bi畉n ph畛 thu畛c l y, bi畉n 畛c l畉p l h畛 s畛 ch畉n, x1, x2, bi畉n
gi畉 x3. L動u 箪 kh担ng 動畛c coi x3 l bi畉n li棚n t畛c khi 動畛c l動畛ng. Ghi l畉i l畛nh v tr狸nh by k畉t qu畉
動畛c l動畛ng vo b畉ng:
C叩c bi畉n 畛c l畉p H畛 s畛 動畛c l動畛ng (coef.) Sai s畛 chu畉n (Std. Err.) P-value
V鱈 d畛: _cons,x1, x2
- T畉o ra bi畉n lnY b畉ng logarithm t畛 nhi棚n c畛a y. Tr狸nh by l畛nh 達 s畛 d畛ng.
- 働畛c l動畛ng m担 h狸nh tuy畉n t鱈nh v畛i bi畉n ph畛 thu畛c l lnY, bi畉n 畛c l畉p l h畛 s畛 ch畉n, x1, x2, bi畉n
gi畉 x3. L動u 箪 kh担ng 動畛c coi x3 l bi畉n li棚n t畛c khi 動畛c l動畛ng. Ghi l畉i l畛nh v tr狸nh by k畉t qu畉
動畛c l動畛ng vo b畉ng:
C叩c bi畉n 畛c l畉p H畛 s畛 動畛c l動畛ng (coef.) Sai s畛 chu畉n (Std. Err.) P-value
V鱈 d畛: _cons,x1, x2
- V狸 sao s畛 quan s叩t s畛 d畛ng cho 動畛c l動畛ng tr棚n kh叩c v畛i s畛 quan s叩t trong b畛 d畛 li畛u? S畛 d畛ng
l畛nh t鱈nh c叩c th畛ng k棚 m担 t畉 trong Stata lm d畉n ch畛ng cho c但u tr畉 l畛i c畛a m狸nh.
C但u 3 (4 i畛m - s畛 d畛ng R): B畛 d畛 li畛u de1cau3.csv c坦 300 quan s叩t, v畛i c叩c bi畉n y, x1, x2, x3. Tr狸nh
by vo bi lm:
- 動a b畛 d畛 li畛u vo ch動董ng tr狸nh R v l動u trong data frame t棚n l cau3. Ghi l畉i l畛nh 達 s畛 d畛ng.
- X但y d畛ng c叩c 畛 th畛 i畛m gi畛a y v x1, ph但n t叩ch b畛i gi叩 tr畛 c畛a hai bi畉n gi畉 x2 v x3. Ghi l畉i
l畛nh 達 s畛 d畛ng.
- 働畛c l動畛ng m担 h狸nh tuy畉n t鱈nh v畛i bi畉n ph畛 thu畛c l y, bi畉n 畛c l畉p l h畛 s畛 ch畉n, x1, t動董ng t叩c
c畛a x1 v x2, x1 v x3. Tr狸nh by l畛nh 達 s畛 d畛ng v i畛n th担ng s畛 動畛c l動畛ng 動畛c vo b畉ng k畉t
qu畉 sau:
C叩c bi畉n 畛c l畉p H畛 s畛 動畛c l動畛ng (coef.) Sai s畛 chu畉n (Std. Err.) P-value
V鱈 d畛: _cons,x1, x2
L動u 箪: 畛 叩nh gi叩 動畛c th畛c ch畉t tr狸nh 畛 c畛a th鱈 sinh, ng動畛i ra 畛 達 cho s畛 i畛mt畛i a c畛a bi thi l 12. T畉t
c畉 th鱈 sinh lm 動畛c b畉ng ho畉c h董n 10 i畛m 畛u 動畛c 10 i畛m.
Tr動畛ng b畛 m担n Kinh t畉
GS. Nguy畛n Kh畉c Minh

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Cuoi1

  • 1. B畛 m担n Kinh t畉 畛 thi s畛 1 M担n: Tin h畛c 畛ng d畛ng trong Kinh t畉 Quy 畛nh: - Th畛i gian ph叩t 畛, ph叩t d畛 li畛u,thu bi: 30 ph炭t - Th畛i gian lmbi: 60 ph炭t - Ghi k畉t qu畉 v畛i 3 ch畛 s畛 th畉p ph但n b畉t c畛 n董i no c坦 畛 th担ng tin (v鱈 d畛: 4,653). - Th鱈 sinh 動畛c ph辿p s畛 d畛ng ti li畛u, nh動ng kh担ng 動畛c d湛ng i畛n tho畉i,kh担ng trao 畛i bi, kh担ng truy c畉p Internet. - Khi h畉t gi畛 lmbi: tr畉t t畛 n畛p l畉i 畛 bi, bi lm, t畉t m叩y v ra kh畛i ph嘆ng thi. 畛 1 c坦 2 m畉t. C叩c b畛 d畛 li畛u cho 畛 1: de1cau1a.dta, de1cau1b.dta, de1cau2.dta, de1cau3.csv Ph畉n 1: L畛a ch畛n 1 trong 2 c但u 1A v 1B: C但u 1A (4 i畛m - S畛 d畛ng Stata): B畛 d畛 li畛u de1cau1a.dta c坦 300 quan s叩t, 4 bi畉n y, x1, x2, x3. Tr狸nh by vo bi lm: - 働畛c l動畛ng m担 h狸nh probit v畛i bi畉n ph畛 thu畛c l y, bi畉n 畛c l畉p l h畉ng s畛, x1, x2. Tr狸nh by l畛nh 達 s畛 d畛ng v ghi c叩c th担ng s畛 動畛c l動畛ng 動畛c vo b畉ng sau: C叩c bi畉n 畛c l畉p H畛 s畛 動畛c l動畛ng (coef.) Sai s畛 chu畉n (Std. Err.) P-value V鱈 d畛: _cons,x1, x2 - T鱈nh t叩c 畛ng ri棚ng c畛a c叩c h畛 s畛 x1 v x2 l棚n bi畉n y khi x1 = 1 v x2 = 0. Ghi l畉i gi叩 tr畛 t叩c 畛ng ri棚ng v l畛nh 達 s畛 d畛ng. - 働畛c l動畛ng m担 h狸nh probit v畛i bi畉n ph畛 thu畛c l y, bi畉n 畛c l畉p l h畉ng s畛, x1, x2 khi x3 b畉ng 1. Tr狸nh by l畛nh 達 s畛 d畛ng, ghi l畉i c叩c th担ng s畛 動畛c l動畛ng 動畛c vo b畉ng nh動 c但u tr動畛c. C但u 1B (4 i畛m S畛 d畛ng Stata): B畛 d畛 li畛u de1cau1b.dta c坦 300 quan s叩t, c叩c bi畉n x1, x2 v bi畉n ch畛 th畛i gian t. Tr狸nh by vo bi lm: - L畛nh 畛 x但y d畛ng 畛 th畛 動畛ng x1 theo t v x2 theo t. - H達y t狸m m担 h狸nh ARIMA ph湛 h畛p cho chu畛i x1 v x2 (畉m b畉o ph畉n d動 l畉y ra t畛 m担 h狸nh l nhi畛u tr畉ng b畉ng l畛nh ki畛m 畛nh wntestq). Ghi l畉i c叩c l畛nh 達 s畛 d畛ng. Tr狸nh by th担ng s畛 動畛c l動畛ng 動畛c vo b畉ng: C叩c tr畛 達 s畛 d畛ng H畛 s畛 動畛c l動畛ng (coef.) Sai s畛 chu畉n (Std. Err.) P-value V鱈 d畛: AR L1, MA L1
  • 2. Ph畉n 2: Lm t畉t c畉 c叩c c但u sau: C但u 2 (4 i畛m - s畛 d畛ng Stata): B畛 d畛 li畛u de1cau2.dta c坦 300 quan s叩t, v畛i c叩c bi畉n y, x1, x2, x3. Tr狸nh by vo bi lm: - 働畛c l動畛ng m担 h狸nh tuy畉n t鱈nh v畛i bi畉n ph畛 thu畛c l y, bi畉n 畛c l畉p l h畛 s畛 ch畉n, x1, x2, bi畉n gi畉 x3. L動u 箪 kh担ng 動畛c coi x3 l bi畉n li棚n t畛c khi 動畛c l動畛ng. Ghi l畉i l畛nh v tr狸nh by k畉t qu畉 動畛c l動畛ng vo b畉ng: C叩c bi畉n 畛c l畉p H畛 s畛 動畛c l動畛ng (coef.) Sai s畛 chu畉n (Std. Err.) P-value V鱈 d畛: _cons,x1, x2 - T畉o ra bi畉n lnY b畉ng logarithm t畛 nhi棚n c畛a y. Tr狸nh by l畛nh 達 s畛 d畛ng. - 働畛c l動畛ng m担 h狸nh tuy畉n t鱈nh v畛i bi畉n ph畛 thu畛c l lnY, bi畉n 畛c l畉p l h畛 s畛 ch畉n, x1, x2, bi畉n gi畉 x3. L動u 箪 kh担ng 動畛c coi x3 l bi畉n li棚n t畛c khi 動畛c l動畛ng. Ghi l畉i l畛nh v tr狸nh by k畉t qu畉 動畛c l動畛ng vo b畉ng: C叩c bi畉n 畛c l畉p H畛 s畛 動畛c l動畛ng (coef.) Sai s畛 chu畉n (Std. Err.) P-value V鱈 d畛: _cons,x1, x2 - V狸 sao s畛 quan s叩t s畛 d畛ng cho 動畛c l動畛ng tr棚n kh叩c v畛i s畛 quan s叩t trong b畛 d畛 li畛u? S畛 d畛ng l畛nh t鱈nh c叩c th畛ng k棚 m担 t畉 trong Stata lm d畉n ch畛ng cho c但u tr畉 l畛i c畛a m狸nh. C但u 3 (4 i畛m - s畛 d畛ng R): B畛 d畛 li畛u de1cau3.csv c坦 300 quan s叩t, v畛i c叩c bi畉n y, x1, x2, x3. Tr狸nh by vo bi lm: - 動a b畛 d畛 li畛u vo ch動董ng tr狸nh R v l動u trong data frame t棚n l cau3. Ghi l畉i l畛nh 達 s畛 d畛ng. - X但y d畛ng c叩c 畛 th畛 i畛m gi畛a y v x1, ph但n t叩ch b畛i gi叩 tr畛 c畛a hai bi畉n gi畉 x2 v x3. Ghi l畉i l畛nh 達 s畛 d畛ng. - 働畛c l動畛ng m担 h狸nh tuy畉n t鱈nh v畛i bi畉n ph畛 thu畛c l y, bi畉n 畛c l畉p l h畛 s畛 ch畉n, x1, t動董ng t叩c c畛a x1 v x2, x1 v x3. Tr狸nh by l畛nh 達 s畛 d畛ng v i畛n th担ng s畛 動畛c l動畛ng 動畛c vo b畉ng k畉t qu畉 sau: C叩c bi畉n 畛c l畉p H畛 s畛 動畛c l動畛ng (coef.) Sai s畛 chu畉n (Std. Err.) P-value V鱈 d畛: _cons,x1, x2 L動u 箪: 畛 叩nh gi叩 動畛c th畛c ch畉t tr狸nh 畛 c畛a th鱈 sinh, ng動畛i ra 畛 達 cho s畛 i畛mt畛i a c畛a bi thi l 12. T畉t c畉 th鱈 sinh lm 動畛c b畉ng ho畉c h董n 10 i畛m 畛u 動畛c 10 i畛m. Tr動畛ng b畛 m担n Kinh t畉 GS. Nguy畛n Kh畉c Minh